问题
选择题
—Listen! The water is still running.
—Oh, I forget _____ the tap off.[ ]
A. to turn
B. turning
C. to have turned
D. having turned
答案
答案：A
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—Listen! The water is still running.
—Oh, I forget _____ the tap off.[ ]
A. to turn
B. turning
C. to have turned
D. having turned
答案：A