—How many people did you see in the meeting room?
— ______.
A. Nothing B. No one C. None
— Your bike is very beautiful. How long ____you _____it? — Just two weeks.
A. have; bought B. did; buy C. have; had
—Look! What a nice classroom! — Yes, it ________ every day.
A. is cleaning B. has cleaned C. is cleaned
—It smells terrible. What has happened here?
—Look, there is a chemical factory ____waste water___ the river.
A. pour; into B. pouring; into C. poured; to
— Where are Maria and Kangkang ? — They aren’t here. They ________ England.
A. have been to B. have been in C. have gone to
—________ the population of the U.S.A. in 2005?
—It ______ about 296 million.
A. What is; is B. What was; was C. How many was; was
