— I find it's difficult to decide what to wear. — Try red clothes.They can make easier totake action.
The bridge is made _________steel, ______ it?
We have some books. But we need________.
They clapped and shouted______ when they saw YaoMing appear on the playground.
Which is___________ season in your hometown?
When he walks_______ my desk,he knocked my books________ the desk.