If we ____ now to protect the environment, we will live to regret it.
| A．hadn’t acted | B．haven’t acted |
| C．don’t act | D．won’t act |
Our car _____ on the way; several villagers helped us push it to the nearest garage.
| A．broke down | B．broke up |
| C．broke off | D．broke through |
No one, no matter who he is, can _____with it if he breaks the law.
| A．break away | B．get away |
| C．keep away | D．take away |
Unluckily, some doctors are cold to patients, which causes many_____ between them.
| A．collections | B．descriptions |
| C．conflicts | D．connections |
Much to his surprise and delight, he found himself _____behind the football star.
| A．seated | B．seating |
| C．to be seated | D．seat |
For your _____, we have added a function that allows you to pay your bills over the Internet.
| A．agreement | B．convenience |
| C．influence | D．preference |