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题目内容
（宿州学院大学英语2）
You should have thanked her before she left.
—I meant_______, but when I was leaving I couldn.t find her anywhere.
A、
to do
B、
to
C、
doing
D、
doing so
—I meant_______, but when I was leaving I couldn.t find her anywhere.
A、
to do
B、
to
C、
doing
D、
doing so
参考答案