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题目内容
（中国石油大学-《大学英语4》）
分)
Don’t forget ____ the window before leaving the room.
A)
to have closed
B)
to close
C)
having closed
D)
closing
Don’t forget ____ the window before leaving the room.
A)
to have closed
B)
to close
C)
having closed
D)
closing
参考答案
