用括号中所给单词的适当形式完成下列句子。
1. My brother is good at ___________. (draw )
2. I like to look at the colours of __________ in autumn. (leaf)
3. She doesn't like __________ food in the market because it's not fresh. (freeze)
4. He fell ___________ during the lecture yesterday afternoon. (sleep)
5. Don't forget to ___________ your email addresses at the end of the party. (change)
6. We are looking for students who can sing ___________. (beautiful)
7. There are many ___________ children in some African (非洲的) countries. (home)
8. ___________ the butter into the flour, please. (mixture)
