根据句子意思及首字目提示写出单词的正确形式。
She b_____ her teeth every day.  
Every night, I have to go to bed b______ 9:00.  
Please speak l______. I can’t hear you clearly.   
The big cake is d_______and we all like eating it.     
The computer isn’t e________. I will take it.  
This year Miss Smart is our g_______ teacher.  
Last Saturday, I ______(play) tennis.