阿摩線上測驗
9. Playing sports at least three times a week_______ good for your health.
(A) is
(B) are
(C) has
(D) have
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統計： A(832), B(108), C(37), D(34), E(0) #1291701
統計： A(832), B(108), C(37), D(34), E(0) #1291701
