A.be finished | B.will be finished | C.will finish | D.finish |
A.have learned | B.had learned | C.learned | D.learn |
A.is wasted | B.are wasted | C.waste | D.wastes |
A.haven’t seen | B.didn’t see | C.hadn’t seen | D.don’t see |
A.have sought | B.had sought | C.was seeking | D.am seeking |
A.have taken place | B.took place |
C.have been taken place | D.are taking place |
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