Some of the CDs belong to her, while the rest are ________.
—Excuse me, could you tell me where_____? — Sure, sir. You can try
— I don't know______. — Because he has to look after his mother.
— Could you tell us how long ___? — About three days.
— I don’t knownext. — Let’s ask our teacher for help. what to do B. what should I do C. how to do D. how I should do
— Are you going to Beijing for the summer holiday next week? — Yes. But I haven’t got the air tickets and don’t know we will set out.