题目内容
There are ________books on my desk. _______books is fifty.
A. a number of; The number of
B. the number of ;The number of
C. a number of ;A number of
D. the number of ,A number of
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题目内容
There are ________books on my desk. _______books is fifty.
A. a number of; The number of
B. the number of ;The number of
C. a number of ;A number of
D. the number of ,A number of