There are many beautiful mountains ______ in the south of China.
I think we should ________all the toys to the local children hospital.
Many students believe the choice of their courses and universities should _______their own interest.
The house __________ the capitalist used to live in is now a nursery.
His entire education _______ no more than one year.
The house, ______ was destroyed in the terrible fire, has been repaired.