阿摩線上測驗
28. Tom spent the whole afternoon ______ Jessica to use the company inventory system.
(A) instruct
(B) instructed
(C) instructing
(D) instruction
答案：登入後查看
統計： A(19), B(30), C(344), D(6), E(0) #2030901
統計： A(19), B(30), C(344), D(6), E(0) #2030901
