A.receive | B.are receiving | C.have received | D.had received |
A.attended | B.had attended |
C.would attend | D.would have attended |
A.have conducted | B.have been conducted |
C.had conducted | D.had been conducted |
A.works | B.worked | C.have been working | D.had been working |
A.takes | B.has taken | C.took | D.was taking |
A.weren’t | B.hadn’t been | C.wouldn’t be | D.wouldn’t have been |
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