問題詳情

9. Playing sports at least three times a week_______ good for your health.
(A) is
(B) are
(C) has
(D) have

參考答案

答案：A
難度：簡單0.824153
統計：A(389),B(50),C(16),D(17),E(0)

用户評論

【fuiki1622】評論

Playing sports at least three times a week 代表一件事情，當作主詞，因此後面須接單數動詞is。