All the students in our class made _______ progress by studying harder this term. 

 ---Would you mind if I _______ here? 

--- _______ . It's not allowed.

Mr. Smith likes traveling _______; but his wife enjoys _______. 

 Your decision will affect your future study in college and your future job _______.

In our factory there are 2,000 workers, two thirds of _______ are women.  

 While watching television, ________.    

 ---Mr. Smith must know a lot about Chinese history.   

---________. He has studied it for years.

 He sent me an e-mail, ________ to get further information.  

Mr. Alexander doesn’t just write for fun; _______, writing is his bread and butter.  

 Several weeks had gone by _______ I knew the painting was missing.