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

— I’m sorry that John is out.— Please ask him to call me as soon as he __________.

The factory used 65 percent of the raw materials, the rest of which ________ saved for other purposes. 

 Many a child _____ lost their parents.

The basketball coach, as well as the players,        interviewed shortly after the match for their outstanding performance.