The foreign guests, ____ were government officials, were warmly welcomed at the airport.
I met a few friends of mine, one of ____ is a singer.
He set an example ______ his classmates.
He attends the evening class ________ , that is, Monday, Wednesday and Friday.
I thought you ____ like something to read, so I have bought you some books
It _______ them $1000 a year to run a car.