The stones are so heavy. How _____ they _____ to the top of the building without modern machines?
A.do; lift | B.did; lift | C.were; lifted | D.were; lift |
The stones are so heavy. How _____ they _____ to the top of the building without modern machines?
A.do; lift | B.did; lift | C.were; lifted | D.were; lift |