1.Nobody noticed the thief slip into the house because the l

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1.Nobody noticed the thief slip into the house because the lights happened to ___
A.be put up B.give in
C.be turned on D.go out
2.The new bridge __ by the end of last month
A.has been designed B.had been designed
C.was designed D.would be designed
3.When part of a pencil is in a glass of water,it looks as if it__
A.breaks B.has broken
C.was broken D.had been broken

1.D
解析：这句话的意思是没人注意到小偷溜进了屋子因为灯正好灭了
A.put up 建造；张贴；提高；投宿；提出B.give in 认输,投降,屈服；交上,呈上C.turn on 接通,打开D.go out 外出；过时；(潮)退,(灯)熄,终止；公布
2.A
解析：这句的意思是这座新的大桥将于上月月底建好,根据语意可以知道应该用现在完成时.而且,这座桥对现在有影响即人们要使用它,所以用现在完成时A.
3.C 如果是were broken更好,不过口语里可以用was.
解析：as if 是看起来,实际未发生,它引导了一个虚拟语气,而因为是一般现在时,现在时的虚拟语气要用were +动词过去分词引导所以应该选C
不懂可以再问哈

1.Nobody noticed the thief slip into the house because the l Nobody noticed the thief slip into the house because the lig Nobody noticed the thief slip into the shop ,because the lig Nobody noticed the thief slip into the shop,because the ligh Nobody noticed the tuief slip into the house because the lig 如题the thief _______(slip)into the house when no one______ (l nobody noticed them -------the house yesterday A.Leaving B.t The thief broke into the house _____ the windows nobody noticed the thief ___(steal) the money 用词的适当形式怎么填 The thief was seen to ＿(溜)into the house. The thief broke into the house to steal,___nothing valuable. A thief broke into the house at midnight, ______ the house i