——I cleaning my bedroom. It’s clean now.——Wow.When you it?A．have finish
题型：不详难度：来源：
——I cleaning my bedroom. It’s clean now.
——Wow.When you it?| A．have finished，did，finish | B．finished，have，finished | | C．finish，do，finish | D．have finished，have，finished |
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答案
| A |
解析
| 考查情景交际和时态。“我已经打扫完卧室了。现在卧室干净了。”“哇。你是什么时候打扫的？”发生在过去的动作，对现在造成影响，用现在完成时。When引导的是时间状语从句，问的是“何时打扫的”，应该用一般过去时。故选A。 |
举一反三
To _________ nature is to help ourselves , or we will be punished. | A．protect | B．prevent | C．provide | D．pollute |
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The fire was completely ________ shortly afterwards with the help of the firemen. | A．cut down | B．put out | C．give out | D．floated away |
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It is a good habit for us that we should never today’s work till tomorrow.
A put on B. put off C put up D put down |
Zhou Yang is skating. She won a gold medal at the 2010 Olympic Winter Games.
A good at B weak in C tired of D angry with |
—My father has decided to ______ smoking.
--That’s good news for us.| A．give up | B．give out | C．give in | D．give to |
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