Another bridge
A.retire | B.tire | C.rebuild | D.build |
A.has been built | B.have been built |
C.is being built | D.are being built |
Human activities that have indirect effects on animals can be just as harmful.
Scientists
A.retire | B.tire | C.rebuild | D.build |
A.has been built | B.have been built |
C.is being built | D.are being built |
Human activities that have indirect effects on animals can be just as harmful.