--- There is someone at the door. Who ______ it be? Is it the postman?
--- No, it ________ be him. It’s just seven o’clock. It’s too early.
| A．may, can’t | B．will, won’t | C．may, mustn’t | D．must, may not |
相关试题
Don’t________what others say．Do what you like．
| A．take care |
| B．care for |
| C．care about |
| D．take care of |
You should keep tire window________because the room is too hot．
A．open
B．opening
C．opened
Mr.Wang often encourages us________close to nature and enjoy its beauties．
A．get
B．getting
C．to get
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