12. [ ] A good engineer _____ able to work independently.
(A) may
(B) could
(C) would
(D) must be

答案：登入後查看
統計： A(9), B(30), C(14), D(221), E(0) #1934914

詳解 (共 2 筆)

#3163147
A good engineer ____...
(共 340 字，隱藏中）
前往觀看
15
0
#3583656
must 是語意助動詞..助動詞其後加原...
(共 47 字，隱藏中）
前往觀看
5
0