- Must I hand in my exercise book now, Mr. Zhao?- No, you __. You may give it to me tomorrow.A. needn't B. mustn’t C. can't
--How many boys _______ in your group? --Four.
–At our school, we have to _______ uniforms every day. –So do we.
After visiting different countries, I found _______ very important to learn about table manners.
–Lucy, please don’t play with fire! –_______.
Jack’s mother was twenty-seven when he was born. Jack is eleven this year. How old is his mother?