A.sticking | B.to stick | C.being stuck | D.stuck |
A.indicate | B.indicating | C.to indicate | D.to be indicating |
A.studied | B.studying |
C.to have studied | D.to be studying |
A.to seal | B.to be seated | C.seating | D.seated |
A.has been launched | B.having been launched |
C.being launched | D.to be launched |
A.walked | B.walk | C.to walk | D.walking |
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