C
see sb doing 看见某人正在做某事
stop to do 停下来去做某事
C
倒装结构,完全倒装,且使用三单形式
B
it takes/took sb +时间 to do
B
tell有分辨,辨别的意思
tell the difference 找出不同点
D
a lot of要加宾语的,这后面没有宾语,直接就用a lot 很多的意思
用所给词的真确形式填空
6.I couldn't find a good place__to study__(study) in.
find a place to do这里动词不定式表示目的
7.Between the buildings __there was___(be)a tall tree three years ago
单数且用一般过去时
8.What about ___swimming__(swim)this afternoon?
about是介词,后面要用动名词
9.I often see him __reading___(read)
see sb doing 经常看见某人正在干什么
10.Did you enjoy_yourselves___(you)in the summer holidays,children?
enjoy oneself玩的开心,后面是children是复数 就用yourselves
11.This is a good place to take __photos__(photo)
take photos拍照,固定短语
）