阿摩線上測驗
22. We know that education increases cognitive ability, so it stands to reason that educational television would also
______ a positive effect.
(A) had
(B) has
(C) have
(D) to have
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統計： A(44), B(188), C(432), D(13), E(0) #2378927
統計： A(44), B(188), C(432), D(13), E(0) #2378927
