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题目内容
（国家开放大学英语语法）
I was worried about my maths, but Mr. Brown gave me an A. ______
A.Don.t worry about it.
B.Congratulations! That.s a difficult course.
C.Mr. Brown is very good.
D.Good luck to you!
A.Don.t worry about it.
B.Congratulations! That.s a difficult course.
C.Mr. Brown is very good.
D.Good luck to you!
参考答案