―What are you doing, Jack?―I’m looking for some information about famous people______can help me make a poster. .
---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 _______.
Light goes faster than sound.