Hoping he would not disturb his sleeping father , Bob stole in , _____ and waited for him to wake up .
| A．not speak | B．not spoke | C．not to speak | D．didn’t speak |
The family is a cooperative enterprise for which it is difficult to _____ rules, because each family needs to work out its own ways to deal with its own problems.
| A．set up | B．put down | C．keep up | D．lay down |
| A．managed | B．succeeded | C．arranged | D．convinced |
Keys should never be hidden around the house since thieves _____ know where to look.
| A．virtually | B．variously | C．unavoidably | D．invariably |
The Department is also deeply _____ in various improvement schemes.
| A．connected | B．included | C．involved | D．implied |
Although he doesn't like that law, he will _____ with it.
| A．confine | B．conform | C．comply | D．contend |