阿摩線上測驗
43. I need at least eight hours’ sleep a night. ___________ I get enough sleep, I cannot do well on the examination.
(A) After
(B) Since
(C) Unless
(D) While
答案：登入後查看
統計： A(1), B(24), C(331), D(32), E(0) #1462330
統計： A(1), B(24), C(331), D(32), E(0) #1462330
