14.The nunther of the students who took part in the competition____500,but only a small number of them chosen。 A was;were B were;was C.were;were D.w;was
Hearing the news that he had been ______as general manager of the big company, he ______ with excitement and joy, forgetting that he was showing some visitors around.
Large quantities of solid fuel ______consumed every day and too much carbon dioxide is sent into the air, which in turn _______ the going up of temperature.