You_________return the book now. You can keep it till next week if you like.

Our parents and teachers often ________ the importance of study hard _______ us.

The World Wide Web is sometimes jokingly called the World Wide Wait because it ________ be very slow.

Miss Smith is good ________ music. She can be good _______children in the music club.

The flat in shanghai is _________ than _________in Wuxi.