C项。

9．Catherine bought a postcard of the places he was visiting，addressed ________to ________ and then posted it at the nearby post office.

A．it；her B．it；herself

C．herself；her D．herself；herself

答案　B

解析　address表示"在......上写地址"，后接it作直接宾语，代替a postcard，to后接herself，表示把postcard寄给自己。

10．She's having a lot of trouble with the new computer，but she doesn't know whom to________.

A．turn to B．look for

C．deal with D．talk about

答案　A

解析　turn to sb.求助于某人；look for寻找；deal with处理，应付；talk about谈论。由句意知A项正确。

11．The secretary should have all the________ documents ready before the meeting begins.

A．concerning B．respecting

C．relevant D．regarding

答案　C

解析　句意为：秘书应该在会议开始之前就把与会议有关的所有文件准备好。relevant有关的，符合题意。

12．His injuries were severe. Five minutes late，________ he would have died.

A．but B．or C．so D．and

答案　D

解析　祈使句＋连词＋陈述句＝If引导的条件句＋主句。如果原句中的连词是and，那么可以转换成一个肯定的条件句；如果原句中的连词是or，可以转换成一个否定的祈使句。句意为：他的伤很严重，如果再晚五分钟，他就会死掉。本句可以转换成：If it had been five minutes