–Do you think Professor Smith_________be in the lab?
--I’m not sure.
| A．must | B．shall | C．need | D．can |
相关试题
The ________ look on his face sug
gested he ________ that.
| A．surprising, hadn’t expected | B．surprising, should expect |
| C．surprised, wouldn’t have expected | D．surprised, hadn’t expected |
Attention, please! And keep ________ when I am taking a photograph of you.
| A．still | B．calm | C．quiet | D．silent |
______ him to do like this, he wouldn’t have made such a serious mistake in his
writing.
| A．Did you persuade | B．Had you persuaded |
| C．If you should persuade | D．If you persuade |
The house is too old. It requires ________.
| A．to repair | B．repairing |
| C．repaired | D．repair |
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