much for supper that evening, the boy could not go to sleep until deep into the night.

Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.

hen Ross, a foreign teacher heard thegood news, she had a cheerful _____.

Whitney Houston’s sudden death suggests that drugabuse is such a serious problem ___we should deal with properly.

_____ you come to Brunei, you would have to take off your shoes before going inside someone’s home.