题目内容
He kept looking at her, wondering whether he ________ her somewhere.
| A.saw | B.has seen | C.sees | D.had seen |
D
因为由语境可知,see应当发生在kept looking之前,即过去的过去,所以用过去完成时,只有D正确。
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| A.saw | B.has seen | C.sees | D.had seen |