Many young people left their hometown for big cities______________ better jobs.
Most of us see a doctor ______ when we get a cold or something.This won't cost us a lot.
May I use your bike? I'm going to see my uncle who _______ this city.
It is playing computer games _______ the boy spends most of his spare time.
---What's he size of the smaller one?---It's _______.
---Why isn't he in the hospital with his injured mother?---No one ______ him of the accident.