First impressions are the most lasting.After all, you never get ________ second chance to make ________ first impression.(2010·北京)
| A．a；the | B．the；the | C．a；a | D．the；a |
You should be grateful to your employees, because you wouldn't be＿you are now without them.
| A．why | B．how | C．where | D．which |
We got in my father's car and headed straight home and__________,I surely would have been stuck in the station for several days.
| A．had I not | B．did I not | C．if I didn't | D．if I had |
一Why do children hang stockings over the fireplace for presents?
一As the story goes, to help a poor family, Father Christmas threw a small bag of gold down the chimney and it fell into a stocking that＿up to dry over the fireplace.
| A．hung | B．had hung | C．was hanging | D．was hanged |
一Tom, were all the students on the school bus injured?
一No,____ only the three who got hurt.
A. there was B，there were C. that was D. it was
Since drug abusers have difficulty＿the addiction, support groups where they can talk about their struggles and find new ways to manage in the world are often needed.
| A．to rid | B．breaking | C．to remove | D．relieving |