問題詳情

【題組】37. According to the passage, what bike equipment is a free choice for bicycle riders?
(A) Brakes.
(B) A helmet.
(C) A headlight.
(D) A taillight.

參考答案

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