--_______ pocket money do you usually get every month?-- Fifty yuan. What about you?
The harder you study, __________grades you’ll get.
---Do you mind _________your room? ---No, I’ll do that after finishing _________this article.
There used _______ a bus station in front of the building.
He worked late ______ eleven o’clock yesterday.
---I don’t know ___________next. ----You’d better finish your homework first.