John always tries to _____ people who are useful to him professionally.
A. develop B. provoke C. correspond D. cultivate
[答案]D. cultivate.
[注释]cultivate sb.结识（有地位的人），培养与......的友谊：He always tries to cultivate rich and famous people.(他总是极力结识有钱的知名人士。)
本题译文：约翰总是力图结识在职业方面对他有用的人。
I left for the office earlier than usual this morning _____ traffic jam.
| A．in line with | B．in case of |
| C．for the sake of | D．at the risk of |
Do you mind if I _____ with my work while you are getting tea ready.
| A．get through | B．turn to | C．carry on | D．come on |
Keys should never be hidden around the house since thieves _____ know where to look.
| A．virtually | B．variously | C．unavoidably | D．invariably |
Although he doesn't like that law, he will _____ with it.
| A．confine | B．conform | C．comply | D．contend |
Too many hotels have been built and this has _____ prices, making holidays cheaper.
| A．cut short | B．cut out | C．cut off | D．cut down |