–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
With the help of the new technology, you __ e-mail your friends by mobile phone.
--Haven’t I told you that the computer needs______? ---Sorry,I forgot_______it fixed.I’ll send it for repairs right away.
_____mothers both work in the same hospital.
Good luck _________you_________ your English test.
You look quite tired. You’d better ______ a good rest.