To show our respect, we usually have to take our gloves off ______ we are to shake hands with.
There are more than fifty ________ in our school.
Lucy is ________ university student.She likes playing ________ piano.
This year the number of the US students ____in China has increased by 18.4percent compared to last year.
You had better encourage your children to____some of their pocket money for future education .
The price of oil is increasing so rapidly. Indeed ! The oil prices____by 10 and 20 percent so far.