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题目内容
（兰州大学大学英语（3））
21.
(4分)He is talking so much about America as if he _____ there.
A. had been
B. has been
C. was
D. has gone
(4分)He is talking so much about America as if he _____ there.
A. had been
B. has been
C. was
D. has gone
参考答案