A.sells | B.sold | C.was sold | D.is sold |
A.will watch | B.will be watching | C.will have watched | D.will been watching |
A.worked | B.has worked | C.had worked | D.was working |
A.visited | B.am visiting | C.have visited | D.have been visiting |
A.went | B.must go | C.could go | D.go |
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