阿摩線上測驗
29 Rescue teams often rely on _____ dogs trained to detect human scent under debris.
(A) domestic
(B) vibrant
(C) high and low
(D) search and rescue
答案：登入後查看
統計： A(22), B(10), C(22), D(117), E(0) #3461798
統計： A(22), B(10), C(22), D(117), E(0) #3461798
