My parents are unhappy today I think I shall think of ways to ______.

The poor girl needs an operation. But it will ________ a lot of money.

Are you going to Tom’s birthday party?—_________.I might have to work.

Look! The boy is just wearing a shirt in cold winter.—How poor! It’s said that his parents _____ since he was 3 years old. Maybe we should give him a hand.

There are ________ students waiting in the hall, ________?