this set of keys yours?A. AreB. isC. amD. Is

发布时间:2020-08-22 07:58:04


     this set of keys yours?
A. Are
B. is
C. am
D. Is

网友回答

A. Are
B. is
C. am
(答案→)D. Is
解析:通过this set of keys “这串钥匙”可知,是一串,而不是多串,所以这里的主语应该是单数,所以应该用is ;又因为放在开头,所以本题选D.
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