d.

B

If we plant trees in our school yard, we have clean air

IF we plant trees in our school yard,we will have clear air

B. began 

1. Began.

để làm j?

Nhma bn cần để lmj z

56. Mrs White asked me where i was doing at that momment.

57. Mrs Brown asked me where I was living then.

58.Nick said that we could clean the beach together.

59. Mr Jones said to his children that he was so happy to hear that.

60.Nam said that the environment was severely affected by pollution.

61. The guiter can be played by him.

62. Four languages can be spoken by him.

63. The rules may be quickly forgotten.

64.The lesson should be repeatedly studied.

65.The competition must be won by my brother.

66. He was sitting on a chair which is uncomfortable.

67. She works for a company where makes toys for children. 

1. Yes, I do.

2. I want to use my smartphone to chat with my friends and family.

3. I want to use a smartphone.

4. First, it can help me talk to my friends more easily. Next, it can help me calculate every important thing. But, if I use a smartphone very often, I will have to wear the glasses.

5. I chose to buy it because I think it can help me something.

C. Watched.

C.Watched

Which place is more beautiful, Ha Long City or Nha Trang ?

Which place is more beautiful, Ha Long City or Nha Trang ?

hoctot

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Minh lives in a house near a lake.

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