Mr Zhang gave all the textbooks to all the pupils , except _____ who had already taken them .    

 --- Have you got ______  ready for the sports meeting?--- Not yet. We still have _____    to do.

Being a parent is not always easy and being the parent of a child with special needs often carries with _____extra stress.

We've got two TV sets, but we still can't watch anything because ______ works properly.   

Of all the methods they provided, ______ is of any help for solving the math problem.