We should go to school by bus instead of by car. –Yeah, cars we use, pollution there will be.

He hasn’t recovered from his injury, but _______ hisperformance in the sports meet, he is a success.

I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree.

The boy hoton the forehead. He must be sent to the hospital at once.

I am in ________ charge of the class which was in ________charge of my wife.