_____ makes the school famous is _____ more than 90% of the students have been admitted to universities.  

Telephone users sometimes complain about unreliable service and　　　they consider unfair charges. 

________ there is going to be a policy change ________ of those things is going to change.

—I like your new leather boots! —Thanks．I had to try on almost a dozen pairs ______ I decided to get them．

You can arrive in Beijing earlier for the meeting, ______ you don’t mind taking the night train.