問題詳情

80. Ozone, a dangerous pollutant in smog, can cause damage to________ it touches.
(A)which
(B)whatever
(C)that
(D)them

參考答案

答案:B
難度:適中0.66087
統計:A(23),B(76),C(11),D(5),E(0)

內容推薦

內容推薦