Violence on TV may prove to have a strong _____ on some young people.

On Saturdays, students are very proud to be         on the street to guide passers-by to obey traffic rules.

Doing morning exercise is of great ____________ to your health & consequently you’d better keep on it.

The meeting was _______. Many people were for our plan.

The Dragon Tower，from ________ top visitors can enjoy a good ________ of Harbin，attracts hundreds of tourists every day.