二、完形填空（2'*10）（本题只需要填写正确选项的字母序号，如：1. A 2. B……，大小写都可以） Secretaries ______ do not involve themselves directly ______ the commercial business, namely they do not do the real business. But ______ work is very much related to business. Therefore, getting to know the business is ______ to the secretary in their work. Knowledge of the business, to a ______ , generally means that she should be familiar ______ the business process, the business documents, and the functions of all the departments ______ her own organization or company. ______ summary, what a ______ secretary should do in the office is to make her ______ pleased and satisfied.1. A. sometimes B. rarely C. usually D. never2. A. with B. to C. on D. by3. A. our B. their C. them D. us4. A. helpful B. useless C. harmful D. no use5. A. boss B. manager C. clerk D. secretary6. A. with B. on C. in D. by7. A. for B. in C. at D. on8. A. all B. Of C. In D. Above9. A. succeed B. successful C. success D. succession10. A. boss B. parent C. teacher D. children