A.carried | B.to be carried | C.being carried | D.was carried |
A.there was | B.there being | C.there to be | D.being |
A.The children’s surfing | B.The children surf |
C.The children surfing | D.The children have surfed |
A.studied | B.studying | C.to have studied | D.to be studying |
A.taking, flying | B.take, to flying | C.take, to fly | D.to take, to fly |
A.to have discovered | B.to have been discovered |
C.having discovered | D.having been discovered |
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