阿摩線上測驗
30. If he _____ his doctor’s advice, his knee wouldn’t be hurting so badly now.
(A) follows
(B) followed
(C) has followed
(D) had followed
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統計： A(5), B(15), C(7), D(32), E(0) #3861662
統計： A(5), B(15), C(7), D(32), E(0) #3861662
