---.Look! It _____be your uncle .----It_____ be him . He has gone to Xi’an.
He _____ with a pencil. Now a pen _____ by him.
---Bill is a strong-minded boy. ---He sure is. He often says nothing can stop him _____ his dream.
There are so many kinds of mobile phones here. We can’t decide _____.
It took me about two hours to clean the house, My mother _____ what I did.
My cousin ____ the chance of working abroad and returned to his hometown.