题目内容
—Tina, I have cleaned most of the windows.
—That's very kind you. It's difficult me to do it all by myself.
A.of; for B.for; of
C.for; for D.of; of
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题目内容
—Tina, I have cleaned most of the windows.
—That's very kind you. It's difficult me to do it all by myself.
A.of; for B.for; of
C.for; for D.of; of