阿摩線上測驗
11.My kids were making such a racket that I couldn’t sleep, so I told them to .
(A)knock it back
(B)knock it down
(C)knock it off
(D)knock it up
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統計： A(1), B(9), C(29), D(1), E(0) #2322851
統計： A(1), B(9), C(29), D(1), E(0) #2322851
