题目内容
【题目】She was about to go out ________ the doorbell rang.
A.while B.as C.then D.when
【答案】D
【解析】be about to do...when...,意为“正要……这时突然……”。
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题目内容
【题目】She was about to go out ________ the doorbell rang.
A.while B.as C.then D.when
【答案】D
【解析】be about to do...when...,意为“正要……这时突然……”。