-___________ is your father?- He is a __________.
The following are all traffic signs except _____.
You have a new friend. Would you please tell me _____?
The price of the Iphone6 is _____ for the young man. He can’t pay for it himself.
People hope that there will be _____ pollution in our country.
---Could you tell me when Mr Green _____ in Shanghai tomorrow?---Sure. When he _____, I’ll tell you in time.