— Do you plant trees in spring? —Yes. Many trees in our cit
题型：专项题难度：来源：
— Do you plant trees in spring?
—Yes. Many trees in our city every year. |
| [ ] |
A. are planting
B. are planted
C. were planted |
答案
| B |
举一反三
| Last year, Liu Hua, a college student, to work for the Olympic Games. |
| [ ] |
A. is choosing
B.is chosen
C. was choosing
D. was chosen |
—Look at the sign on the right,
—Oh, parking _ here. |
| [ ] |
A. doesn"t allow
B. isn"t allowed
C. didn"t allow
D. weren"t allowed |
| Attention, please. All mobile phones must before the meeting starts. |
| [ ] |
A. turn
B. be turned off
C. be turning |
| We to close the windows before we left the lab. |
| [ ] |
A. tell
B. told
C. are told
D. were told |
-People find it hard to get across the river.
-I think at least two bridges over it. |
| [ ] |
A. need
B. are needing
C. will need
D. are needed |
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