—It’s difficult for the villagers to cross the river for market.
—I think a bridge _________ over the river.
A.was built | B.is being built |
C.has been built | D.should be built |
—It’s difficult for the villagers to cross the river for market.
—I think a bridge _________ over the river.
A.was built | B.is being built |
C.has been built | D.should be built |