22. The young guests are socializing on the lawn in the backyard with each one of them holding a glass and ______ relaxingly.
(A) chat
(B) chats
(C) chatting
(D) chatted
(E) to chat
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統計: A(1), B(0), C(67), D(3), E(0) #2055389
統計: A(1), B(0), C(67), D(3), E(0) #2055389