It was＿＿＿＿＿late to catch a bus after the party, there fore we called a taxi. 

. Tommy’s parents thought he was at school, but _______ he was in an Internet bar. 

Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?  

 When you feel you are happier and more relaxed after having a cigarette, you may become ________addicted.

(2013·沈阳二中模拟)She devoted herself________to her research and it earned her a good reputation in her field.