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

A. was built         B.should be built      C. has been built      D. is being built

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

A．was built          B．should be built      C．has been built      D．is being built

– It’s difficult for the village children to cross the river to get to school.

– We think a bridge ________ over the river.

             A. was built       B. should be built      C. has been built   D. is being built

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