This mountain range has many high（）and fertile valleys.

He felt（）of what he had done in school.

Rock music usually（）the young people in most countries.

During these ten years, many new methods have been（）in the field of foreign language teaching.

Everyone（）the right to his own opinion.

You have your choice of three（）of ice cream.

His proposal is（）to all of us and you do not need to tell us more about it.

This sick man was（）in a blanket.

I am afraid it was a（）for you to do this.

This supermarket developed rapidly under his（）