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

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統計： A(9), B(31), C(14), D(222), E(0) #1934914

詳解 (共 2 筆)

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