阿摩線上測驗
9. Standing on the seashore, we saw a __________ of seagulls flying over the ocean before they glided down and settled on the water.
(A) pack
(B) flock
(C) herd
(D) school
答案：登入後查看
統計： A(9), B(78), C(27), D(14), E(0) #490873
統計： A(9), B(78), C(27), D(14), E(0) #490873
