If you take more ________, you'll feel much healthier．

A．exercise

B．exercises

C．exercised

He eats ________ food, so he is ________ fat．

A．much too; too much

B．much too; too many

C．too much; much too

Germs can get into the human body ________ the nose．

A．cross

B．through

C．across

Don't worry ________ him．

A．for

B．to

C．about

－________ I go to the teachers'office now?－No, you ________．

A．Must; mustn't

B．May; needn't

C．Must; don't have to

D．May; don't

________ make any noise．My grandpa is sleeping in the room．

A．Mustn't

B．Don't

C．Won't

D．Can't

－May I put my bike here?

－No, you ________．You should put it over there．

A．couldn't

B．needn't

C．mustn't

D．won't

The boy wants to drink ________ hot ________．

A．some; tea

B．some; teas

C．/; teas