阿摩線上測驗
6. My uncle _____ his heart regularly since the heart attack last year.
(A) checks up
(C) is checking up
(B) has been checking up
(D) to check up
答案：登入後查看
統計： A(5), B(14), C(6), D(0), E(0) #3860278
統計： A(5), B(14), C(6), D(0), E(0) #3860278
