VIII. Choose the best answer A, B, C or D to complete the sentences. Robots now have many uses. Many factories use robots to (1) ________ lots of hard work quickly and without many mistakes. These are ‘industrial’ robots. The military uses robots to find and get rid (2) ________ bombs. If a robot (3) ________ a mistake, the robot is damaged or destroyed, which is better than a person being killed. There are also robots that help at (4) ________, to vacuum or cut grass, for example. Such robots must learn about the area of work. There are two robots on Mars. Because it (5) __________ a long time to send a signal from Earth to Mars, the robots do much of their work alone, without commands from Earth. People still think of robots as having a shape like a person – two legs, two arms, and a head.

1. A. do B. are C. have D. play

2. A. in B. of C. for D. about

3. A. make B. making C. to make D. makes

4. A. bank B. home C. school D. hospital

5. A. take B. to take C. takes D. taking 

X. Rewrite each sentence, using the word given in the brackets.

1. Our sources of energy will soon end if we don't try to save them. (Unless)  ________________________________________________________________________________.

2. Unless John is nervous, he will pass the driving exam. (If)  ________________________________________________________________________________.

3. No one in our football team is more skillful than Quang Hai. (most)  ________________________________________________________________________________.

4. There is less noise in the country than there is in the city. (as)  ________________________________________________________________________________.

5. Why don’t we travel to Phu Quoc this summer? (How)  ________________________________________________________________________________

1. Hung’s car is more expensive than Linh’s car.  ________________________________________________________________________________. 2. It takes her 3 hours to get to the city centre.  ________________________________________________________________________________. 3. I like collecting stamps.  ________________________________________________________________________________. 4. Would you mind telling me the way to the National Museum?  ________________________________________________________________________________. 5. I can’t go to work on time because it rains so heavily.  ________________________________________________________________________________. 6. The class will not start until the teacher arrives. (unless)  ________________________________________________________________________________