Don't _____TV too much

Don't _____TV too much
A.to watch b.watching c.watch助动词后面要接动词原型,故选C ______ your homework.you have to see a doctor now
A.do B.don't do c.don't不要做作业,你现在必须去看医生,由句意可知,要用否定形式,又因为句子缺少动词且助动词后面接动词原型,故选B~
listen to the teacher carefully _____class
A.at B.in c.for
in class是指在课堂上,在上课
故选B,记住固定搭配~·