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

_________the door, please. -Come in, please. The door_______.

udents took the trouble _____ cleaning,fallen

You say you are short of money. Why not sell your old gold watch for some money— Oh, I can’t, because it was a gift from my wife. I promised her I would never _________ it.

Mr. Wang is very friendly, so _______ like him very much.