— Mary, let’s go to the lecture by Hawking, which is said to be very interesting.
— I’d like to, but I ________ finish the report first.
A. can B. may 
must D. shall
相关试题
Seeing the world-famous pianist standing in front of her, the young pianist ______ a cry of joy and surprise.
| A．left out | B．let out | C．came out | D．spoke out |
The thief trapped in the house _____ from the window but the fear of falling to his death scared him not to do so.
| A．managed to escape | B．tried to run |
| C．attempted to escape | D．tried escaping |
________ computer games, his parents were very worried about his study.
| A．Addicted to | B．He addicted to |
| C．His addicting to | D．Addicting to |
The train had left, so we could do nothing but ________ another.
| A．wait | B．to wait |
C．waited | D．waiting |
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