根据首字母或中文提示完成单词，使句意完整。
1. I don't know the a__________ to the question. It's a difficult question.
2. He is not tall e__________ to reach the apples on the tree.
3. C__________ Day is on June 1st.
4. Which s__________ do you like best of the year?
5. There are two l__________ in our town. There are many books in them.
6. An orange __________ (尝起来) sour. I don't like it.
7. Would you like __________ (西红柿) or potatoes?
8. My grandpa often tells us funny __________ (故事).
9. You need to have a big breakfast to keep __________ (健康).
10. Kate _________ (花费) two hours watching TV at the weekend.