21. They have to hold the meeting in this narrow room.
A. The meeting had to be hold in this narrow room. B. The meeting has to be hold in this narrow room.
C. The meeting has to be holded in this narrow room D. The meeting has to be held in this narrow room.
22. They showed his photograph on television.
A. On television they had his photograph shown. B. His photograph was shown on television.
C. His photograph is being shown on television D. The television was shown his photograph.
23. They began to build the bridge two months ago.
A. The bridge was begun to build two months ago. B. The bridge was begun to be built two months ago.
C. The bridge began to build two months ago. D. The bridge began to be built two months ago.
24. They saw him searching the truck.
A. He is seen searching the truck. B. He is seen to search the truck.
C. He was seen searching the truck D. He was being seen searching the truck.
25. His parents made him do it.
A. He was made do it. B. He was made to do it.
C. He made his parents to do it D. His parents were made do it.
26. The barber has cut my hair.
A. My hair has already been cut now. B. I’ve got to have the barber cut my hair.
C. My hair has become shorter and shorter D. I’ve had my hair cut.
27. People say that the American women are used to living independently means
A. It is said that the American women are used to living independently.
B. The American women are said to be used to living independently.
C. The American women are said they be used to live independently.
D. A & B are correct
28. People think that he was born in a rich family.
A. That is thought he was born in a rich family. B. He was thought to be born in a rich family.
C. That he was born in a rich family is thought. D. He is thought to have been born in a rich family.
29. It is impossible to do this work right now.
A. It is impossible for this work to be done right now. B. It is impossible for to be done this work right now.
C. This work is impossible to do right now. D. This work is impossible to be done
30. Close the windows of the room.
A. Let the windows of the room to be closed B. Let the windows of the room be closed.
C. The windows of the room are closed. D. The windows of the room will be closed.
31. They said that the president had arrived in the city.
A. The president was said to have arrived in the city.
B. It is said that the president had arrived in the city.
C. The president was said to arrive in the city.
D. It was said that the president arrived in the city.
32. He expects that his father will come back home.
A. It was expected that his father will come back home. B. His father was expected to be come back home.
C. His father will be expected to come back home. D. His father is expected to come back home.
33. Further tests / going / done / drug / soon
A. Further tests are going to done on the drug soon. B. Further tests are going to do on the drug soon.
C. Further tests are going to be done on the drug soon. D. Further tests are going to be done the drug soon.
34. This book / ought/ read/ on the spot.
A. This book ought be read on the spot. B. This book ought to been read on the spot.
C. This book ought to be read on the spot D. This book ought to have been read on the spot.
35. We / believe/ human life / can/ prolong / drug.
A. We believe that human life can prolong by the drug
B. We believe that human life can be prolonged by the drug.
C. We believe that human life could be prolonged by the drug.
D. We are believed that human life can be prolonged by the drug.
36. Our plan / might / cancel / due / lack of funds.
A. Our plan might be cancelled due to lack of funds. B. Our plan might be cancel due to lack of fund
C. Our plan might cancelled due to lack of funds D. Our plan might cancel due to lack of funds.
37. This car / need / wash / before / I / use / tomorrow.
A. This car needs to washed before I use it tomorrow
B. This car needs to be washed before it is used tomorrow.
C. This car needs washing before it uses tomorrow.
D. This car needs to be washing before it is used tomorrow.
Wind, water, air, ice and heat all work to cause erosion. As the wind blows over the land, it often (1)_____picks up__ small grains of sand. When these grains of sand strike against solid rocks, the rocks are slowly worn away. In this way, (2) ___even____ very hard rocks are worn away by the wind.
When particles of rocks or soil became loosened in any way, running water carries them down the (3) ___ hillsides____ Some rocks and soil particles are carried into streams and then into the sea.
Land that is covered with trees, grass and other plants wears away very slowly, and so loses very (4) ___ little____ of its soil. The roots of plants help to (5) ____ hold___ the rocks and soil in place. Water that falls on grasslands runs away more slowly than water that falls on bare ground. Thus, forests and grasslands (6) ___ help____ to slow down erosion.
Even where the land is (7) ___ thickly____ covered with plants, some erosion goes on. In the spring, the melting snow turns into a large quantity of water that then runs downhill in streams. As a stream carries away some of the soil, the stream bed gets deeper and deeper. (8) ____ After___ thousands of years of such erosion, wide valleys are often formed.