____the book if you are free, and you will learn a lot about how to study English .

Does your father like _______ computer games at home?–Not really.

On March 23, many people took part in “_________ Lights” activity to help save energy.

_will Mr. Smith Shanghai?—In a week. He will have a meeting in Shanghai.[ ]

Students in the football class usually play ________ football when school is over.