A.join | B.joins | C.joined | D.would join |
A.arrive | B.arrived | C.will arrive | D.would arrive |
A.had been | B.have been | C.has gone | D.have gone |
A.worked | B.was working | C.had worked | D.would work |
A.has been bought | B.was bought | C.is bought | D.will be bought |
A.is | B.are | C.has been | D.have been |
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