阿摩線上測驗
155._______________do the students swim? They swim every day.
(A) Sometimes
(B) How many
(C) How large
(D) How often
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統計： A(6), B(14), C(12), D(498), E(0) #3656323
統計： A(6), B(14), C(12), D(498), E(0) #3656323
