Some people fear that ________ air pollution may bring about changes in _______ weather around the world.
| A．/; the | B．the; / | C．an; the | D．the; a |
Finding a job in such a big company has always beenhis wildest dreams.
| A．under | B．over | C．above | D．beyond |
My brother never talked about climbing , because he knew that wasI got injured.
| A．what | B．when | C．how | D．where |
It’s not safe to travel by standing at the road side hoping to beby passing motorists.
| A．picked up | B．picked out | C．put on | D．taken on |
I earn only 50 dollars a week, she earns 80 dollars.
| A．when | B．while | C．as | D．since |
—Do I need to give a tip if I eat at a fast food restaurant in the United States?
—Yes , it’s a commonto tip waiters in a restaurant.
| A．sense | B．custom | C．method | D．practice |