选择正确的问话或者答语。
--Can you give me a hand?  --______
A. OK. Thank you.  B. I’d be glad to. What is it?  C. I’m fine.
--______ Can you tell me how to get to the ball gym?  -- You can take a bus.
A. Excuse me.    B May I ask a question?    C. Nice to meet you!
--I am very sorry I’m late.  --______
A. It doesn’t matter.   B. Shame on you!   C. OK. Thanks for your advice.
--How long do you stay in the park?  --______
A. Around an hour.  B. twice a month.  C. Not very often.
--______  --Yes. He swims well.
A. Are you good at swimming?  B. I swim well.  C. Is he good at swimming?