19.______ careful! There is a car coming in front of you.
(A) Be 
(B) Is 
(C) Am 
(D) Are

答案:登入後查看
統計: A(31), B(2), C(0), D(2), E(0) #3061468

詳解 (共 1 筆)

#6534291
題目分析 本題考察英語中祈使句 (Imp...
(共 793 字,隱藏中)
前往觀看
0
0