A.change | B.has changed | C.changing | D.have changed |
A.putting down | B.breaking down | C.burning down | D.tearing down |
A.try on | B.filled on | C.had on | D.put on |
A.was built | B.was set up | C.was found | D.was founded |
A.going off | B.leaving for | C.set out to | D.starting |
A.been happened | B.come about | C.been come about | D.been taken place |
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