根据句意和首字母提示填空，完成下列句子。 1. He didn't make any m______ in today's English exam. 2. Could you p______ me with information about student exchange programs? 3. Many visitors enjoy spending a few hours walking t______ the history museum. 4. The boy is old enough to d______ himself. 5. The signs says that you can't p______ your car here. 6. Be careful! Put the secret letter in a s______ place. 7. It's more c______ to take a taxi to the station than take a bus, but too expensive. 8. You can buy f______ fruit and vegetables in the supermarket. 9. —What are some of the d______ of the web? —You may waste your time playing games. Sometimes you may be cheated (受骗) online, etc. 10. You can take the e______ to the second floor and turn right. You can find it there.