A new bridge over the river now ,You can
问题:
A new bridge over the river now ,You can see many railway workers and engineers working every day.
A.is built
B.is being built
C.has been built
D.should be built
A new bridge over the river now ,You can see many railway workers and engineers working every day.
A.is built
B.is being built
C.has been built
D.should be built