( )The little girl_____TV all day.She did nothing.A.keeps watching B.kept to watching C.keeps towatch D.kept watching The number of students in our school____(is,are)4000and a number of them ___(is,are)good at playing ping pong.
问题描述：
( )The little girl_____TV all day.She did nothing.A.keeps watching B.kept to watching C.keeps to
watch D.kept watching The number of students in our school____(is,are)4000and a number of them ___(is,are)good at playing ping pong.
答
D keep doing 一直做某事
The number of表量谓语动词用单数
a number of表数 谓语动词用复数
答
选D is are
答
1.D
keep doing sth.持续做某事
而后面一句用的是一般过去时 did,所以keep 用过去式：kept
2.is； are
the number of ...的数量,用单数
a number of 很多,用复数
答
第一题选D，kept watching。
第二题填is，are