疑难 ...请说明原因.

题目

疑难 ...请说明原因.
1.How happy the villager were when they watched the PLA fighters _______ nearer and nearer.
A.marched,B.marching C.to march
2.Don't you know the girl _______ the next song?
A.singing B.to sing C.sung
3.I've heard a lot about it,but I've never seen it ______here in our department.
A.used B.using C.to be used
4.He tried hard to make us ________ his suggestion.
A.supporting B.support C.to support
请说明原因.还有..

答案

1.B
watch sb do/doing sth.因此排除AC
村民们看见解放军战士越来越靠近村庄的时候,他们是多么愉快啊!
2.A
完整句子从girl开始是the girl who is singing the next song.BC都不可以这么搭配.直接排除.
你不认识那一位即将唱下一首歌的女孩吗?
3.C.
由句意可知,it与use构成被动结构,因此排除AB两项.
我已经听说很多关于它的信息了,但是我从没见过它在我们的百货公司里被使用.
4.C.
make sb do sth.因为us与support是主动关系,因此选C.
他努力地让我们赞成他的建议.