It is ten years since we ________ each other. We have been working together.
Tom's shoes looked just the same as Mike's, but they cost _______ his.
Mother, together with her children , ______ to the hospital.
The war made ______ impossible for the scientist to go on with his research.
He often takes this road to avoid ______ the troublesome boy.
As is known to most of us, Maodun was born in _______is now called Wuzhen.