The number of students in our school　　about 30 000 and　　them study hard.

The little girl _____her seat to an old man on the bus.–What a kind girl!

How long can I __________ the book— You can give it back to me when you finish reading it.

Peter ______ ten dollars on the new book.

There is nothing more I can try _____ you to stay, so I wish you good luck. [ ]