—Is Jason all right? He looks so tired!
—Not sure. He __________ deep into the night yesterday. He's having an exam soon.
| A．may have studied |
| B．should have studied |
| C．might study |
| D．must have been studying |
相关试题
I was out of town at the time, so I don’t know exactly how it _______.
| A．was happening | B．happened | C．happens | D．has happened |
It saves tome in the kitchen to have things you use a lot _______ easy reach.
| A．near | B．upon | C．within | D．around |
------shall we have our picnic tomorrow?
-----______it doesn’t rain.
| A．Until | B．While | C．Once | D．If |
Amy joined a painting group but didn’t seem to _______, so she left.
| A．show | B．go up | C．fit in | D．come over |
------_______________, He has changed so much.推荐套卷
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