阿摩線上測驗
41 When I travelled to Germany last month, I accidently_____ one of my high school teachers in the flea
market.
(A)knocked down
(B)bounced back
(C)waited upon
(D)ran into
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統計： A(21), B(13), C(5), D(111), E(0) #1304867
統計： A(21), B(13), C(5), D(111), E(0) #1304867
