题目内容
13．-Could you please ______ in the room？-Oh，I，m sorry．（ ）
| A． | not smoking． | B． | not smoke． | C． | not to smoke． | D． | don't smoke． |
分析 --请你不要在房间里抽烟好吗？
--哦，抱歉．
解答 答案：B．
本题中情态动词could后应跟动词原形，否定形式只需在could后加not，或在主要谓语动词前加not，故选B．
点评 考查实义动词．准确的分析句子结构及用合适的形式完成句子是解题的关键．
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| 1．A．gone | B．taken | C．by | D．took |
| 2．A．is | B．does | C．isn't | D．doesn't |
| 3．A．for | B．at | C．in | D．about |
| 4．A．fast | B．quickly | C．slow | D．slowly |
| 5．A．warm | B．hot | C．cool | D．cold |
| 6．A．clean | B．dark | C．dirty | D．nice |
| 7．A．will develop | B．are developing | C．developed | D．have developed |
| 8．A．skills | B．cultures | C．languages | D．ways |
| 9．A．provides | B．offers | C．serves | D．shows |
| 10．A．easy | B．more easy | C．easier | D．easily |