阿摩線上測驗
18. After staying up for 30 hours straight, Mr. Lin kept ________ at work this morning.
(A) yawning
(B) chasing
(C) queuing
(D) rescuing
答案：登入後查看
統計： A(62), B(9), C(16), D(4), E(0) #1711967
統計： A(62), B(9), C(16), D(4), E(0) #1711967
