37. We must pay attention to ______ problem of pollution because we can’t live without ______ air.
(A) /, /
(B) the, the
(C) /, the
(D) the, /

答案:登入後查看
統計: A(7), B(91), C(29), D(302), E(0) #2062950

詳解 (共 2 筆)

#4977554

因為空氣不是特定的,只是一般的空氣,所以不用加the

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#4757137

為什麼air前面不用加the?

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