---______do you go hiking?
---Once a week.
---______do you go hiking?
---Once a week.
---_____did you tell him about the news?
---By____ane-mail.
---Wouldyoumind______yourbike?
--No,not at all.I’l lput it under the tree right away.
---Couldyoutellme_____?
---Becauseshelikesherstudentsverymuch.
---_____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.