(　　)8. The old man has many experiences of life. Most of his advice ________ helpful.
(A) is　
(B) are　
(C) has　
(D) have

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統計： A(45), B(23), C(4), D(0), E(0) #359862

詳解 (共 1 筆)

#976393
advice 不可數
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