Being heavy is bad for people’s health, I think you’re a little heavy. You should eat ______ meat and _________ vegetables.

 — I have great ________ in finishing the work by myself. Could you help me?— No problem.

--_________do you have PE lessons?--Three times a week.

—____ does he like pandas?            —Because they are cute. 

It’s raining cats and dogs now. The students are running or riding home. The words “cats and dogs” means______.