We have a lovely room. It’s one of in the hotel.
– Have you decided how to spend your next day off?– Not yet. We ________ join the school volunteer project.A. may B. should C. must
– What do you think of Lucy’s birthday party?– ________. I hope I can have such a party too.A. Wonderful B. Terrible C. Boring
This is Mr White’s ________ trip to Beijing. He has been there twice before.A. first B. second C. third
– ________ do you hang out with your friends?– About once a week.A. How soon B. How often C. How long
We will have no water to drink _________ we don’t protect the earth.A. until B. if C. unless