Please be careful when you walk ______ the street. There are so many cars.
| A．with | B．over | C．across | D．behind |
As soon as they arrived in the big city, they found it difficult to find somewhere cheap .
| A．to live | B．to live in | C．to live on | D．living |
There great changes in our city in the past 10 years.
| A．were | B．had | C．have been | D．have had |
— Because of the _____ petrol(汽油) price, fewer and fewer people will choose to own a car, I think.
— I have the same idea as you.
| A．increased | B．increasing | C．improved | D．improving |
— David, your mother’s birthday is _____. Let’s think about how to celebrate it.
—OK, Dad.
| A．coming up | B．picking up |
| C．closing down | D．looking up |
Only two of the students worked the maths problem out correctly. ______ all did it wrong.
| A．Other | B．Others | C．The other | D．The others |