题目内容
In our school library, there ________ a number of books on science and the number of them _______ growing larger and larger.
A. is; are B. are; is C. have; is D. is; is
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题目内容
In our school library, there ________ a number of books on science and the number of them _______ growing larger and larger.
A. is; are B. are; is C. have; is D. is; is