I always forget some news . I am very upset. and don' t know _______ . A. how to do. B. when to do. C. what to do .
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.