—Your city looks beautiful!—Yes.Lots of trees and grass________last year.
Tens years ago, there _____ full of fish in the lake .Now there are _____ fish .
The doctor did what he could _____the dying man.
-How many workers are there in your factory?-______ the workers in my factory_______ over two thousand .
---I’m too busy________ to my family often. --- Why not call them instead ?
Everyone is in the classroom, _____?