4. The doctor prescribed six different kinds of medicine for John, but none of them were ________.
(A) directional
(B) effective
(C) affective
(D) affectionate

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統計： A(1), B(15), C(2), D(0), E(0) #593132

詳解 (共 1 筆)

#1358252
effective 有效的  adj
正好接be動詞後面
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