If you your teacher’s advice, you would not have failed the exams last week.

There is going to ____ a sports meeting next week. If it ____ , we’ll have to cancel it.

The time Dr. Wang has devoted _____ the disabled in the past five years is now considered_____of great value.

Will you go with us for an outing on Saturday— I’d like to, but I am really busy these days. Ican’t _______ a whole weekend.

My parents always keep me ________ computer games on school days，so I can only play on weekends.