If he had remembered()the door, this would not have happened.
If he had remembered()the door, this would not have happened.
A.having closed
B.to close
C.to have closed
D.to have been closed
正确答案:to close
If he had remembered()the door, this would not have happened.
A.having closed
B.to close
C.to have closed
D.to have been closed
正确答案:to close
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