单词拼写：根据中文意思或首字母写出正确的单词。
1. Please keep warm in winter or you may get a c________.
2. They watched a dolphin s__________ yesterday.
3. You don't need to help him p_________ the banana.
4. If you have a toothache, you go to see a d_________.
5. I need two s_______ of bread first.
6. A man named Sandwich made s___________ many years ago in America.
7. Please p______ the milk into the blender.
8. She's much more a_________ than her siser.
9. I want to b________ a singer in the future.
10. He worked for a long time and r_________ last week.
11. Now he is much ____(富有)than before.
12. The _________(游客) are visiting the aquarium.
13. To keep __________(健康), she exercises every day.
14. They all want to be ____________(工程师).
15. Can you play _________(网球) with me?
16. Circle Theater has much _____________(舒适的) seats.
17. I will have a __________ (钢琴) lesson tomorrow?
18. They will go ___________(观光) next month.
19. She is on __________(假期) with her parents.
20. You __________(折叠) your clothes by yourself.