Thebook has been translated into thirty languages since it _____ on the market in 1973.
| A．had come | B．has come | C．came | D．comes |
The thief was caught by the police in the railway station before he was able to _____.
| A．purchase | B．flee | C．flock | D．avoid |
The construction workers completed the bridge three months _____ time and were praised by the local people.
| A．in accordance with | B．in front of | C．ahead of | D．prior to |
A lot of revolutionaries _____ their own lives for the liberation of our country.
| A．devoted | B．sacrificed | C．contributed | D．delivered |
It’s cloudy outside. Please take an umbrella. _______ it rains.
| A．Take it easy | B．Just in case |
| C．It just depends | D．All right |
When and where to go for our holiday _____ yet.
| A．are not decided | B．have not been decided |
| C．is not being decided | D．has not been decided |