問題詳情

8. We should use energy-saving light bulbs and reusable bags,____ are good forour Earth.
(A) both of whom
(B) and both of them
(C) and both of which
(D) both of them

參考答案

答案：B
難度：適中0.5
統計：A(1),B(1),C(0),D(0),E(0)