阿摩線上測驗
17. Jeff should have bought that house _____ that the real estate prices would soar.
(A) had he known
(B) if he knew
(C) if he has known
(D) should he know
答案：登入後查看
統計： A(113), B(97), C(92), D(13), E(0) #2752127
統計： A(113), B(97), C(92), D(13), E(0) #2752127
