【2013山东济南】It was time for class. Mr. King asked all the children ___________ down quietly.
| A．sit | B．sat |
| C．to sit | D．sitting |
Chongqing ______ a lot in the past few years.
A．has changed B. changed C. is changing
Mr. Smith didn’t tell us ______.
A. where he livesB. where he livedC. where did he live
—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; buyC. have; had
—Look! What a nice classroom! — Yes, it ________ every day.
A. is cleaningB. has cleaned C. is cleaned