A.had stayed | B.stayed | C.would stay | D.is to stay |
A.have carried | B.are carrying | C.carry | D.will carry |
A.is | B.used to be | C.is used to being | D.is used to be |
A.to destroy | B.having destroyed |
C.to have been destroyed | D.to have destroyed |
A.are to blame | B.is to be blamed | C.are to be blamed | D.is to blame |
A.was built | B.has been built | C.was been built | D.has had being built |
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