根据句意及所给提示,补全单词或用单词、固定短语、固定搭配的正确形式填空。 1. It's a good habit to brush our teeth t______________ a day. 2. We need eleven _______________ (play) for our soccer team. 3. What a _______________ (sun) day it is today! Let's go to the park. 4. Steven _______________ (参加) the school dancing club last year. 5. How can you type and talk ______________ (同时)?