(2014届福建省龙岩市高三毕业班教学质量检查英语试卷) What makes online shopping so popular is it shortens the distance between manufacturers and consumers.
33. He waited until it was dark ____ nobody could see him clearly.
31. We should think of ways to stop the waste from the factory _____ our living environment.
28. As far as I know, this man ____ risk anything than lose the ring for his wife.
27. She locked her room _____ a thief would break into it.
26. She said she would spend her holiday ___ Beijing.