How long do you think_______ the computer company turns out a new product

Did you attend the meeting— I would have known the news if I___ it.

．—-Whyis the university doing so much building—-______number of students______sorapidly.

l subway,atthe end of 20l4, will greatly improve the traffic conditions in Qingdao

Did your parents go to the museum yesterday —No. We ______stayed at home watching TV.