Many Americans have been leaving their cars at home.leave为什么要加ing?

分类: 作业答案 • 2021-12-20 03:06:16

问题描述：

Many Americans have been leaving their cars at home.
leave为什么要加ing?

答

C C啊啊啊选B 这里的主语是the number of people 人的数量，说的是。。。的数量，B.is 因为主语是“the number”,意思是“……的数目”

答

这是一个现在完成进行式表示习惯或情绪的用法的一个句子.
have been doing 是现在完成进行式的构成形式.
译为：许多美国人总是把车留在家里.