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:
|
in order to和so as to都可在句中表示目的,但只有C项是被动形式。 |
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