Jim often goes to school ________ bike.But today he goes to school ________ the school bus.
This piece of music is _______popular than that old one.
________important for everyone to have a healthy lifestyle.
We have no time to play. We have _________ homework to do.
--_______may I keep this book? --For two weeks.
---Hi,Sam! I come to say goodbye to you. I’m flying to London for a holiday.---___________. Have a nice trip!