24.—John, don’t waste any time and there’s only 25 minutes left before the train leaves. —Don’t worry , mum. I think I can ____it.
It is late; ____, I'm too tired to go out.
Mr Wang went to Nanjing ____ October,1998 and came back home ____ the morning of Nov.5.
We have produced 15% more cotton this year____ we did last year.
The teacher is busy ____ correcting papers.
____ the problem of method is solved, talking about the task is useless.