–I think Mr Zhang may be in his office.--No, he be there. I saw him just now.A. needn’t, left B. mustn’t, leavingC. can’t, leave C. shouldn’t, leave
_____he is ill, ____ he goes to school.
--_______ do you exercise? -- Three times a week.
--Did you go to the park last Sunday? --______. But it was too crowded.
—_____ does this pair of new Nike shoes belong to? — It must be Jeff’s. It’s his birthday present from his dad.
_______ useful information she offered us! We all thank her.