—It's difficult to get to the other side of the river.
—I think a bridge ________ over the river.
A.should be built | B.should build |
C.will build | D.has built |
—It's difficult to get to the other side of the river.
—I think a bridge ________ over the river.
A.should be built | B.should build |
C.will build | D.has built |