Some people fear that ________ air pollution may bringabout changes in _______ weather around the world

This is the way to show our concern for the young people and to give them guidance.

He put in a special _____ for an extraday’s holiday so that he could attend his daughter’s wedding

The audience waited until the curtain rose andthen______laughter at the sight of the funny actor.

When your sister come here—Two years ago. She has been here for two years.