阿摩線上測驗
8. Instead of remaining ______ at home, many retired people take part in social activities and do volunteer
work.
(A) idle
(B) stiff
(C) vacant
(D) sensible
答案：登入後查看
統計： A(50), B(25), C(37), D(9), E(0) #2855990
統計： A(50), B(25), C(37), D(9), E(0) #2855990
