. ________ in one leg, he never had a chance to get a job.

My cousin wants to keep slim. She does exercise every morning and ______ eats meat.

How much do I need to _______ you for this book? —Twenty yuan.

_____________rules are there in your class?—Let me see, one, two, three… so many.[ ]

Which floor does John live on? — He lives on the __________floor of the building.