题目内容
The exercise ________ in class.
[
]|
A .must do |
B .must be done |
|
C .are must done |
D .must done |
答案:B
解析:
解析:
|
主语是动作的承受者,故用含情态动词的被动语态。 |
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-Could you please help me take the exercise books to your classroom?
-_______.
-_______.
| A.No problem. | B.I hope so. |
| C.That’s all right. | D.That’s a good idea. |