—It's so late. Why not write the report tomorrow? —But I don't know _______. I can do it if not now.
Of the two pens, the boy bought _________ expensive one at last.
We have an hour ____doing after-school activities, and two hours _____homework every day.
Linda finished her homework __________ than John.
I think PE is one of ______subjects of all.
The whole plan _________ the coming National Day _________ us too much time.