—Would you like to go swimming with me this afternoon?— I’ll be free this afternoon.A. Yes, it’s OK. B. You bet! C. It doesn’t matter.
---Must I work out the problem right now? ---Yes, you _______. It’s very serious.
We’re glad to see that Beijing is developing _______ these years than ever before.
---What time does the library open? --- ______ eight o’clock.
---I took lots of photos in Hainan. ---Really? Could you show ______ to me?
—Do you know ________? —Next month.