12. If you _____ harder last year, you might be promoted now.
(A) had worked
(B) worked
(C) have worked
(D) work

答案：登入後查看
統計： A(233), B(52), C(28), D(6), E(0) #200250

詳解 (共 1 筆)

#3776010
出處：https://blog.am...

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