题目内容
Find out a mistake in the following sentence and correct it(找出句中的错误,并改正)
[ ]
The number of A stars in B the sky are C not known D.
答案:C;is
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题目内容
Find out a mistake in the following sentence and correct it(找出句中的错误,并改正)
[ ]
The number of A stars in B the sky are C not known D.