The boy whose name is Justin is nowhere to be found,_____?

题目

The boy whose name is Justin is nowhere to be found,_____?
1.The boy whose name is Justin is nowhere to be found,_____?
A.is he B.isn't he C.is it D.isn't it
我选的是B、但答案是A.不是nowhere在这里是形容词不影响的么?
2.Tom is said ____the piano.Don't wait for him.Let's begin.
A.to play B.to have played C.to be playing D.to be played
求翻译.不明白为什么选C.我选的是A.

答案

1,nowhere 是表达否定意思的,故后面要用肯定；
2,这里要表达是语境是,听说 Tom正在弹钢琴,所以不用等他了.=It is said that Tom is playing the piano.
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