根据中文提示填写单词，注意用适当的形式。
1. Students will send their homework to the teacher by _____ (电子邮件) in the future.
2. Yao Ming is good at _____ (打) basketball.
3. Lucy will _____ (到达) in Yiwu tomorrow morning.
4. We must speak English _____ (响亮) in class.
5. All the visitors from Australia are looking forward to _____ (参观) the Forbidden City.
6. Lucy plays table tennis well,but Betty plays it _____ (更好).
7. It's difficult for me _____ (说) English to a foreigner.
8. _____ (看) TV too much is bad for us.
9. These _____ (玩具) are so interesting.Many children like them very much.
10. I like listening to music in my _____ (自由的) time.