M: I’m sorry to bother you, but do you have any change for one dollarW: I’ll have to look. What do you want it forM: I need it for the parking meter.W: I can give you 4 quarters if that’ll help. What does the man want() A: A dollar. B: Some change for the parking meter. C: The parking meter.

I’m sorry, but I have a question to you. A: treat B: influence C: ask D: change

Cashier: That"s $55.45 all together. ______ Customer: I"m sorry, but am I short-changed I gave you $70. A: These coins are for you, thank you. B: Here"s your change, thanks. C: Can you pay the bill, now D: This is the money back to you, thanks.

中国大学MOOC: —Have you decided yet?—Yes, I want to take this job and I _____change my mind.

I’m very sorry I’m late. I ______ and told you I was coming. A: ought to phone you B: must phone you C: ought to have phoned you D: must have phoned you