With a travelling speed of up to 350 kilometres per hour, the railway to be built between Beijing and Shanghai _______ the journey time from 12 hours to 5 hours．

 —Can I join the club, Dad?—You can when you _____ a bit older.

--- Peter, do you know who____ my dictionary ?---Sorry , I don’t know . I didn’t do it .

 After school we went to the reading-room to do some reading, only to be told that it _____.

I would have gone to visit him in the hospital had it been at all possible, but I_______ fully occupied the whole of last week.