摘要：9．Yesterday Professor Wang gave us a l in Beijing University.
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He ______ busy yesterday, or he ______ you with your experiment.
| A．was; had helped | B．was, would have helped |
| C．had been; would have | D．were; would have helped |
— Alice told me you called yesterday.
— Yes, I had a problem with Jane, ___________I thought you could help me with, but you were not in.
| A．who | B．whom | C．that | D．which |
--- What’s reported in the news?
--- The earthquake yesterday is said _______ more than 5 hundred people.
| A．to kill | B．that it is | C．to have killed | D．that it has killed |
----My car broke down yesterday on the way to the Yue Lu mountain.
----I am sorry to hear that, but you _______that car every day for ten years before it broke down. Now you really need to buy a new one.
A. have used B. have been used C. had used D had been used
Tom ____his homework yesterday, because he was in hospital all day.
| A．can’t finish | B．couldn’t finish | C．couldn’t have finished | D．mustn’t finish |