---_____you_____outtheproblem,Sam?
---Notyet,butI’m going to.
---_____you_____outtheproblem,Sam?
---Notyet,butI’m going to.
---Someoftheplasticbagscan’t______afterJune1.
---Yes,peoplewilluseenvironmentalbagsinstead.
---Alltheclerkswenthome_____Mr.Wang.Why?
---Becausehehadtofinishhiswork.
---Can you_____your little brother?I’mbusynow.
---OK.I’ll do it right now.
---You always spend only a little time on your study.You really_____me down.
---I’msorry,Mum.I won’t do that again.
---There are many volunteers______are helping the children in Sichuan.
---And most of them are college students.
---If there are______people driving,there will be______air pollution.
---Yes,theair will be fresher.
---I don’t think teenagers should drivecars.
---_______.They aren’t serious enough.
---Morning,class!Good luck to all of you in the exam!
---Morning,teacher.________.
--I want to know when Mr. Brown will arrive. --When he , I will tell you.