He ______ articles for our wall-newspaper these three years, and he ______ abou
题型：不详难度：来源：
He ______ articles for our wall-newspaper these three years, and he ______ about forty articles.| A．has been writing; has written | | B．has been writing; wrote | | C．is writing; has been writing | | D．has written; has written |
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答案
| A |
解析
| 由时间状语：these three years推出一直在做某事用现在完成时的进行时，后句对他写文章的总结，用现在完成时。 |
举一反三
When he was alive, the old scientist used to say that knowledge ______ from practice and he gained his experience by doing a lot of practical work.| A．was coming | B．had come | | C．comes | D．would come |
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--- Don’t forget to bring my new books tomorrow afternoon.
--- No, I ______. |
You won’t know whether the coat fits you until you ______ it on.| A．will try | B．have tried | | C．tried | D．are trying |
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-- How are you planning to travel to Shanghai?
--- I ______ yet, but I ______ taking a train.| A．didn’t decide; am considering | | B．haven’t decided; consider | | C．haven’t decided; am considering | | D．hadn’t decided; have considered |
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--- Excuse me, sir. Would you do me a favour?
--- Of course. What is it?
--- I ______ if you could take me to the station.| A．would wonder | B．did wonder | | C．was wondering | D．had wondered |
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