阿摩線上測驗
15. The government has begun installing full-body scanners and other high-tech facilities to_______ security at
Taiwan Taoyuan International Airport.
(A) fall through
(B) carry on
(C) beef up
(D) stand for
答案：登入後查看
統計： A(22), B(82), C(120), D(67), E(0) #3228959
統計： A(22), B(82), C(120), D(67), E(0) #3228959
