No one knows how the huge rocks and ___ without our modern machines eight hundred years ago.
A.are cut; moved | B.were cut; move |
C.are cut; moving | D.were cut; moved |
No one knows how the huge rocks and ___ without our modern machines eight hundred years ago.
A.are cut; moved | B.were cut; move |
C.are cut; moving | D.were cut; moved |