题目：
根据首字母补全单词或用所给词的适当形式填空.
1. What's your favorite s________? Science.
2. Look! The boy is p________ the piano.
3. The day before Thursday is W________.
4. Rick's family only ________ (have) one shower.
5. Please tell ________ ( I ) about yourself.
答案：
1. subject 2. playing 3. Wednesday 4. has 5. me
