---How can I keep healthy?---I think you ought to_________.A.do more exerciseB. doing more exerciseC. exercising more
---Why ____ go to the supermarket with us ? ---Sorry , he is doing his homework now.
The teacher won’t begin the class ______ all the students ______.
You look cool ____ the blue jeans and the skirt looks beautiful _____ her . A. on; at B. in ; in C on ; in D in ; on
It’s so nice to go out for a walk _____ a cool summer evening .
You have more apples than ______ . But mine are better than _______.