Most air pollution is caused by the burning of ____ like coal, gas and oil.
A. fuels B. articles C. goods D. products
Teachers have to constantly update their knowledge in order to maintain their professional ________．
A. consequence B. independence
C. competence D. intelligence
“Tommy, run! Be quick! The house is on fire!” the mother shouted, with _________ clearly in her voice.
A. anger B. rudeness
C. regret D. panic
You’d better write down the phone number of that restaurant for future .
A. purpose B. reference C. progress D. memory
It took the ambulance about ten minutes to get to the __________ of the accident and the injured were sent to the hospital very quickly.
A. scene B. scenery
C. picture D. view
There was never any time for Kate to feel lonely, ________ she was an only child.
A. ever since B. now that
C. even though D. as though
