--- What’s the noise? It sounds as if it comes from upstairs. --- ______.It must be the window-cleaner working, next door.
______ is troubling me is ______ I don’t understand ______ he said.
My parents offered me some money, ________, I couldn’t have bought that house.
You should finish this task_______ hard it is if you are to succeed.
Most smoker say that they _______ smoking to some degree, but health experts suggest that they had better _______.
Today we have chat rooms, text messaging, emailing… but we seem ______ the art of communicating face to face.