Because of the popularity of television, children seem to be reading _( )

来源:百度知道 编辑:UC知道 时间:2024/05/29 05:06:50
A. not as much as before
B. less than they do before
C. only a little rather than what they did
D. less than they usually did
请讲解为什么要选d而不是b?

此处阐述的是一个过去的事实(过去读书),应该用过去式。
b如果将do变为did亦正确,意思是因为电视的流行,现在的孩子读得比以前少。
d的意思是因为电视的流行,现在的孩子读得比通常的都少了。

时态