阿摩線上測驗
2. Peter has been saving money for months. He wants to buy a good laptop and work _____ on his projects.
(A) mentally
(B) efficiently
(C) generally
(D) officially
答案：登入後查看
統計： A(1), B(63), C(0), D(5), E(0) #3253533
統計： A(1), B(63), C(0), D(5), E(0) #3253533
