六、介词 / 副词填空: (10%) 1. I love reading and I have benefited a lot _________ reading all kinds of books. 2. The doctor decided to devote himself to finding a cure ________ this disease. 3. We should warn people not to take drugs; don’t be a slave ________ them. 4. Whether we will have a picnic depends mainly _______ the weather. 5. If you want to have dinner at the Roast Duck House, you’d better reserve a seat ______ advance. 6. I must advertise __________ a new secretary. 7. The new regulations will be ________ benefit to everyone concerned. 8. All the approaches __________ the downtown area were guarded by troops. 9. We want to educate teenagers _________ the bad physical effects of smoking. 10. What I really care _________ is my health.