It was very _________ of you to send me a postcard when you were on holiday in Hong Kong.A considerable B innocent C considerate D unconscious
The dictionary still ______ where I ______ it last Sunday.
Teenagers ______ their health because they play computer games too much.
The World War II made ______ impossible for Einstein to go on with his research.
It’s not ______ good idea to drive for four hours without ______ break.
--- Would you be able to go to the party ? --- _______.