His car _____now, so he has to go to work on foot.
My friend Jennifer, ____ help I’ve made great progress in my studies, will leave for Canada next week.
For some students, the computer serves only _____ a tool that is used to play games.
_____ is no doubt _____ Jennifer will come to see me this weekend as usual.
The parents are _____ their son who has been away from home for days.
The book, _______ is blue, is mine.