题目内容
2.—It’s clever you to help me work out the difficult math problem.Thanks!
—You are welcome. Now it’s easier you to understand it.
A. of;of B. of;for
C. for;of D. for;for
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题目内容
2.—It’s clever you to help me work out the difficult math problem.Thanks!
—You are welcome. Now it’s easier you to understand it.
A. of;of B. of;for
C. for;of D. for;for