H7N9 is a new kind of .
The man _______ glasses can’t speak English at all.
---He never says a bad word about anyone , ____? ---_____. He is very kind .
One of my ____ is clean, but _____ one isn’t .
When he walks ____ my desk , he often knocks my books ____ the floor.
The teachers often make us _____ in class , and life here makes us _______.