A.remains to be done | B.is remained to do |
C.remains to do | D.is remained to be done |
A.have poured; is needed | B.has poured; are needed |
C.have been poured; is needed | D.have been poured; are needed |
A.had gone | B.had set off | C.had been away | D.had left |
A.have found | B.has been found | C.have been found | D.has found |
A.have been invited | B.was invited | C.had invited | D.had been invited |
A.not work | B.not worked | C.didn’t work | D.not working |
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