------Must I finish my homework now ?------No, you _________ . You can do it tomorrow .A.can’t B. needn’t C. mustn’t
______ hard work he was doing!
He usually ________ his bag ________ magazines and story books.
--- , is Jim American? --- , I don’t know.
I am years old today. And my parents have a party for my birthday.
---Can you help me my math homework, Miss Zhang? ---OK. Come to my house Sunday morning.