题目内容
I don’t know who invented __________ telescope, but I think it is __________ most
useful invention.
A. the, the B. the, a C. a, the D. a, a
B
解析:
略
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题目内容
I don’t know who invented __________ telescope, but I think it is __________ most
useful invention.
A. the, the B. the, a C. a, the D. a, a
B
略