题目内容
All these gifts must be mailed immediately ________ in time for Christmas.
[ ]
A.in order to have received
B.in order to receive
C.so as to be received
D.so as to be receiving
答案:C
解析:
解析:
|
考查不定式作目的状语。根据题意所有这些礼物必须被邮走,以便在圣延节之前被收到,所以用不定式的被动形式。 |
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