题目内容
I remembered ________ the door before I left the office, but forgot to turn off the lights.
[ ]
A.locking
B.to lock
C.having locked
D.to have locked
答案:B
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题目内容
I remembered ________ the door before I left the office, but forgot to turn off the lights.
A.locking
B.to lock
C.having locked
D.to have locked