阿摩線上測驗
13. Don't push yourself too hard; taking a vacation enables one to restore energy, so stop being tense all the time.
(A)on occasion
(B)on the off chance
(C)in time
(D)around the clock
答案：登入後查看
統計： A(246), B(58), C(62), D(40), E(0) #1918573
統計： A(246), B(58), C(62), D(40), E(0) #1918573
