Question

The government is _____ and will take the necessary steps to maintain security and stability.

A．on the alert

B．out of control

C．on guard

D．in vain

Answer 1

A

on the alert (="alert;" watchful; careful) 警惕，小心：Drivers must be on the alert for traffic signals. (="Drivers" must be especially careful to see signals when driving a car.) (司機必須密切注視交通信號。) out of control 失去控制；on guard站崗；in vain 徒勞，無效。