A.doesn’t mention | B.hadn’t mentioned | C.didn’t mention | D.hasn’t mentioned |
A.Fail | B.Failed | C.To fail | D.Having failed |
A.to stop | B.stopping | C.to have stopped | D.having stopped |
A.are going | B.had been | C.went | D.have been |
A.discussed | B.to discuss | C.to be discussed | D.discussing |
A.other | B.any | C.none | D.some |
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