Gary Locke , a Chinese-American, once______ as the governor of Washington for 8 years and now is U．S．Commerce Secretary．
| A．had worked | B．worked | C．is working | D．has been working |
_______ the days going on, the weather is becoming hotter and hotter.
| A．With | B．Since | C．While | D．As |
We tried to ______ his doubts and let him tell the truth.
| A．replace | B．review | C．remove | D．rebuild |
Advertisements are a good __________ sell products or services.
| A．means to | B．way of | C．way to | D．approach to |
Violence (暴力) computer games may have a bad ____________ on children.
| A．affect | B．pressure | C．influence | D．power |
Mary is often heard ________ playing piano in the next room in the evening.
| A．practise | B．to practise | C．practising | D．practiced |