He was surprised at____about it
He was surprised at____about it
A.having asked B.having been asked
C.being asked D.asking
答案應(yīng)該選B,為什么不能選C?請說明原因,
A.having asked B.having been asked
C.being asked D.asking
答案應(yīng)該選B,為什么不能選C?請說明原因,
英語人氣：896 ℃時間：2020-04-01 03:15:35
優(yōu)質(zhì)解答
因?yàn)樗粏柕竭@個是在他感到吃驚之前,原句中主句是過去時,所以從句由過去時變?yōu)檫^去完成時.
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