根据首字母或中文意思完成句子 1. Though he has studied English for only two years, he can speak it f____. 2. Our baby is just starting to speak; he has a v____ of about ten words. 3. Try to learn by heart these English words and ____ (短语). 4. Many ancient ____ (文化) are only known through archaeology (考古). 5. The v____ from America to France used to take two months. 6. He looked calm, but a____ he was very nervous. 7. An ____ (官员) of the local government promised to deal with the matter. 8. An e____ is a machine for raising and lowering something. 9. So far, the police are still uncertain about the murderer's ____ (身份). 10. As can be easily seen, not everybody is satisfied with the ____ (现在的) situation.