-- Is tiffs your ruler? -- No, _________.A. this is B. it isn’t C. it’s not
— May I _________ Lily?— I’m afraid you have the wrong(错误的) number.
— How about going swimming?— I’d like that, _________ I’m afraid I have no time.
— What about _________ an English song?— Good idea.
— Do you have any time this afternoon?— Yes. _________
Lucy _________ cook food for the picnic.