—The light in the office is still on. —O
题型:选择题
问题:
—The light in the office is still on.
—Oh,I forgot ________.
A.turning it off
B.turn it off
C.to turn it off
D.having turned it off
—The light in the office is still on.
—Oh,I forgot ________.
A.turning it off
B.turn it off
C.to turn it off
D.having turned it off