Susan was expecting her favorite singers，but to her disappointment,         appeared   

I hate _______ when people talk with their mouths full.

 After a talk with his mother, the little boy has seen to _____ that the same mistake doesn’t happen again. 

Being a parent is not always easy, and being a parent of a child with special needs often carries with _______ extra stress.

-We have worked day and night for a whole month.--Why don’t you bring ______ to the attention that a good rest is badly needed?