—How about singing songs with me?—I’m sorry I can’t. I help my father with his work. A. have to B. can C. may
--- I feel really tired. --- ________
________, or you'll be late for school.
Mr Fan ________ this watch in 2005. He ________ it for 6 years.
--- ________ give them some good books? --- —Good idea!
--- This dress was last year's style. --- I think it still looks perfect ________ it has gone out this year.