There are many computers in the office.Make sure _ the doors before you leave.
There are many computers in the office.Make sure _ the doors before you leave.
A you lock.
B you will lock
C for locking
D of locking
A you lock.
B you will lock
C for locking
D of locking
英语人气:447 ℃时间:2019-10-18 03:05:27
优质解答
选A.用一般现在时
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