How do you study _______a test?  I study _______working with friends.

 —What’s a quarter and a half, do you know?—Yes, it’s __________.

— _____ are the apples?   —Ten yuan a kilo. ______ would you like?

It took     time to read such a book.

It seems some students would like to start work as soon as possible, _____ they can help provide better lives for their parents.