He          to wait for half an hour because of the bad traffic．

Mr. Smith, together with his sons, _____ supper at 7 o’clock yesterday evening． 

The teacher, as well as his students_______ to attend the party last week.

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

--- Many trees            around our school last spring.---The more trees, the better.