It’s difficult for the village children to cross the river to get to school. We think a bridge_______over the river.

To my parents’ joy, my elder brother ____ a job in this factory yesterday.

 --- What should we do on No-smoking Day? --- People aren’t _________ on that day.

Our classroom _____ every day, so it’s very clean.

Mom, the telephone is ringing. I guess either you or Dad           on the phone.