题目内容

15.After three days'waiting,there was a little doubt in Jake's mind______ the police could find his lost car.(  )
A.howB.thatC.whereD.whether

分析 等了三天后,杰克对警察是否能找到他丢失的车子心存怀疑.

解答 答案:D 题干中the police could find his lost car修饰名词doubt,解释doubt的内容,是同位语从句;句意表达的是不肯定,要用连词whether是否.故选D.

点评 同位语从句是名词性从句的一种,通常用来解释名词的内容,和被修饰词构成同位关系.学习时要注意和定语从句区别开来.

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76.Look(ing)/Search(ing)/Seek(ing )
77.forward/ahead/on
78.experts/researchers
79.steps/ways
80.greatest
81.Express
82.sharing
83.Focus/Concentrate
84.feeling/mood/sense
85.these/those.

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