---Are you going to Shanghai by plane ?--- It’s fast , but expensive. So I’m not sure. I____ take a train
Help others whenever you can _____you will make the world a nicer place to live in.
—Mum , could you buy me a dress like this? ---- Certainly, we can buy _____ one than this, but ______this.
With the money ______ he saved, he could go on with his education.
If you can’t decide which of the two books to borrow, why don’t you take _____?I won’t read them this week .
It’s getting warmer and warmer, and _____ are turning green.