---All the volunteers(志愿者) were very tired, but ____ of them had a rest.---They were busy looking for the missing people.
— What _______ your bike yesterday?— It didn’t work.
Salt _______ in East and South China.
Singing the song will help you________ when you feel stressed out.
What ________ you do if you ______ me?
My hometown has changed a lot. It is _______longer what it used _______.