A.hadn’t seen | B.didn’t see | C.hasn’t seen | D.doesn’t see |
A.has introduced | B.was introduced | C.will introduce | D.is being introduced |
A.ought to | B.could | C.might | D.were able to |
A.was put in prison | B.was in the prison | C.out in prison | D.was in prison |
A.being; could | B.going; should | C.was; might | D.went; would |
A.wants | B.is wanting | C.has wanted | D.will want |
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