Why is he so happy?—He __________ the volunteeringclub and works for the old people.

past few months, a discussion ________about whether selecting “Three Goods”Students in elementary and middle schools should be cancelled

I would have been able to catch the first flight home, _____ I was caught in the traffic jam.

Does Helen’s grandpa like sports— . He likes sports very much.

There are_____________in the school library.