A.to understand | B.to be understood | C.understood | D.being understood |
A.To trap | B.Trapping | C.To be trapped | D.Trapped |
A.bought | B. are bought | C.buying | D.to buy |
A.communicate | B.demand | C.deliver | D.converse |
A.locking | B.locked | C.locked himself | D.to lock |
A.looked; lost | B.looking; losing |
C.looked; losing | D.looking; lost |
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