A.to watch | B.to be watched | C.watching | D.being watched |
A.To have learned | B.To learn | C.Learning | D.Having learned |
A.repaired | B.had repaired | C.was repairing | D.would repair |
A.covered, fixing | B.covering, fixing |
C.being covered, fixed | D.covered, fixed |
A.to walk; crowding | B.walking; crowded | C.walk; crowd | D.walking; crowding |
A.stopping | B.to keep | C.to stop | D.keeping |
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