How pleased the boy was _____ what his parents said!
I don’t like to ask people for help as a rule but I wonder if you could ______ me a favour.
The design of the modern architecture concentrates on usefulness _____ decoration.
I’d rather have a room of my own, however small it is, than _______ a room with someone else.
—— Would you mind my having a talk with you? ——- ______________. You are welcome
E-mail, as well as telephones, ________ an important part in daily communication.