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 |
A.going up; bring down | B.gone up; go down |
C.going up; brought down | D.going down; bring up |
A.proved | B.was proved | C.proves | D.has been proved |
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