She is doing her homework.I'll do_______.

Mary learned Chinese for about two years, _______is, from 1993 to 1995.

I hate ______ when people talk with their mouths full.

Few pleasures can equal _____ of a cool drink on a hot day.

I found _______impossible for _______to work out the maths problem.

We should always keep ______ well-informed of the changing information.

If you want to change for a double room you’ll have to pay ___$15.

－Why don’t we take a little break?                        
　　－Didn’t we just have _______?

After everyone took_______ place, the meeting began.

When they met, they stopped and said hello to_______.