______the room, a letter was seen lying on the desk.A．Entering B．EnteredC．After
题型：不详难度：来源：
______the room, a letter was seen lying on the desk.| A．Entering | B．Entered | C．After entering | D．When he entered |
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答案
| D |
解析
| 考查非谓语动词。题中a letter与前面的分句不是同一个主语，所以前面应加上适当的主语，故选D。 |
举一反三
She can’t help ______ the house because she’s busy making a cake.| A．to clean | B．cleaning | C．cleaned | D．being cleaned |
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Listen! Do you hear someone for help?| A．calling | B．call | C．to call | D．called |
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_______from media reports，the result has been unclear.| A．To judge | B．Having judged | C．Judging | D．Judged |
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Mr. White, along with his assistants, ______ on the project day and night to meet the deadline.| A．work | B．working | C．is working | D．are working |
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At that time, he spent as much time as he can_____the ancient statues which would be sunk in the river.| A．paint | B．to paint | C．painting | D．painted |
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