--What should I wear tonight, Mom?--This is a home party, We can dress .
–Mum, can I have something________?–Oh, dear. You can only drink some water. There is________ in the kitchen.
The number of the books in our library _________ about 20,000.
------- ______________?------She is slim and beautiful.
Time seems ______ when we are playing computer games.
______ you are, _____ mistakes you’ll make.