The students were all tired but ________ of them stopped ________.

_____ORBIS doctor who got here yesterday needed _______ X-ray machine to examine his patients.

I’m looking at the photos_____you sent me with your letter. [ ]

It was a heavy snow last night. Are we all here now?— Yes, and _____ of us was late for school.

．—Mary，here’s a dictionary．I hope it will help you．—Thanks a lot．It’s ________ what I need．