I prefer action film _____ comedy film.

A. from
B. in
C. at
D. to

I spent my spare time _____ computer games.

A. to play
B. playing
C. played
D. play

It is a waste of time _____ boring things.

A. to do
B. doing
C. did
D. done

I like doing math exercise; it _____ my mind busy.

A. to keep
B. keeping
C. kept
D. keep

What will you do _____ your spare time?

A. to
B. of
C. on
D. in

Dear Mike,I am glad that you will come to Changsha on October 1. Since Changsha is a 11._____(著名的) garden city, I will 12._____(介绍) this beautiful city to you. 13._____(在上午), we will 14._____(参观) Yuelu Mountain. You can see many 15._____(历史古迹), especially Yuelu Academy.