I could have turned to Mr. Smith for help, but he ______ too busy then.A．isB．was
题型：不详难度：来源：
I could have turned to Mr. Smith for help, but he ______ too busy then.| A．is | B．was | C．should be | D．has been |
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答案
| B |
解析
| 本题句意“我本可能救助鱼史密斯先生的，但是他那时实在太忙了”。本句中的could have turned说明了动作发生在过去，有but转折连词，导出了后句的事实性。 |
举一反三
— I will come to attend your lecture at 10:00 tomorrow.
— I’m sorry, by then my lecture will have ended and I _____ in my office.| A．is being worked | B．will work | C．will be working | D．will have worked |
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His sister left home in 1998, and__________ since.| A．had not been heard of | B．has not been heard of | | C．had not heard of | D．has not heard of |
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Edward, you play so well. But I __________ you played the piano.| A．didn’t know | B．hadn’t known | | C．don’t know | D．haven’t known |
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—When__________ and visit our exhibition next month?
— When_______, I will let you know.| A．will he come; he will come | | B．will he come; he comes | | C．does he come; he will come | | D．does he come; he comes |
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—The dinner was delicious!
—I agree. I am so full.
—That’s too bad. But some dessert ____. | A．has ordered | B．will be ordered | | C．has been ordered | D．was going to be ordered |
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