阿摩線上測驗
6. Before the invention of farm machinery, farmers had to ______ from dawn to dusk in the fields all year
round.
(A) drill
(B) harvest
(C) shift
(D) labor
答案：登入後查看
統計： A(16), B(38), C(11), D(43), E(0) #2855988
統計： A(16), B(38), C(11), D(43), E(0) #2855988
