---Peter, would you like a beer to go with your meal? ---Sure, it _________.
I invited Joe and Linda to dinner,but ________ of them came.
More and more people are willing to ________ part of their incomes to school children in the povertystricken areas.
Although he has not gone to college,he shouldn't ________ studying for his degrees.
The reason ________ he was late for the meeting is ________ his car broke down on the road.
________Beijing you see today is quite ________ different city from what it used to be.