1. A steam engine _______ (转换;转化)heat into power. 
2. The company’s head office is in the city, but it has _______ (分支机构;部门)all over the country. 
3. The ambassador personally ________ (传达) the president’s message to the premier. 
4. Which dress is more _______ (适当的) for the party, this one or that one? 
5. She found a company to _______ (资助) her through college. 
6. You need to be more _______ (灵活的) and imaginative in your approach.