問題詳情

【題組】37)　Why do we need bike helmets?　
(A)　Every bike rider goes too fast.　
(B)　We may become cute.　
(C)　We can play on the playground.　
(D)　They keep our heads safe.

參考答案

答案：D
難度：非常簡單1
統計：A(0),B(0),C(0),D(3),E(0)