the number of deer, mountain lions and wild roses___
change much if people leave things as they are
A.don't B.doesn't C.isn't D.didn't
请问选什么,这句话什么意思呢?
人气:207 ℃ 时间:2019-10-24 10:51:49
解答
选 B
假如我们让事物保持原状的话,鹿,美洲狮和野玫瑰的数量不会有太多改变.
这里是the number of做主语,表示.的数量,谓语动词必须用单数.所以排除了A,这里没必要用过去时,排除D.根据后面的动词原形change much可以判断这里是一个助动词,而不是be动词,be动词后面跟现在分词,所以选 B
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