Choose the best answer which can complete the sentence. While reading a book, .
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Choose the best answer which can complete the sentence.
While reading a book, ________.
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A.the girl came in
B.my mother was cooking
C.I heard a knock on the door
D.the doorbell rang
试题答案
答案:C
解析:试题辨析 本题涉及到句子真正主语的问题.也就是说While reading a book中在后省略了I was,这样后面句子的主语就应该是I.因此答案为C. |