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 |
A.is heating | B.heat | C.heated | D.was heate |
A.was dragging | B.is dragging | C.was dragged | D.dragged |
A.was there | B.has there been | C.is there | D.had there been |
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