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