TEST FIVE 6.whenyou leave the room,make sure the door.
TEST FIVE
6.whenyou leave the room,make sure the door.
A)of locking
B)you lock
C)for you to lock
D)to lock
人气：355 ℃ 时间：2019-12-10 23:11:58
解答
make sure后面通常跟that引导的宾语从句,that可以省略.所以本题只能选B.
而be sure后面就可以跟of doing或to do或that从句等.
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