The university estimates that living expenses for international students ________ around $8,450 a year, which ________ a burden for some of them.

—Where        my shoes, Mum? —____ under your bed.

Did you ask whose computer ______________ ? 

 Many a student ________ failed in the biology exam，and Tom is the only one of them who ________ decided to give up the course.

To get as much first hand information as possible，inspectors will hold workshops and distribute questionnaires，       .