13. You ________ wear a helmet when riding a motorcycle. It is the law.
(A) must
(B) may
(C) can
(D) will

答案:登入後查看
統計: A(1), B(0), C(1), D(0), E(0) #4068398

詳解 (共 1 筆)

#7636887
  答案是 (A) must。 句意:騎...
(共 245 字,隱藏中)
前往觀看
1
0