19It is a dangerous machine and no one can operate this machine ______ basic training.
(A) with
(B) without
(C) within
(D) for

答案：登入後查看
統計： A(2), B(11), C(0), D(0), E(0) #2337044

詳解 (共 1 筆)

#5160152
It is a dangerous ma...
(共 208 字，隱藏中）
前往觀看
1
0