．The 8．8 quake in central Chile caused widespread damage, destroying lost of buildings and hundreds of thousands Of people__________ ．
| A．to affect | B．affecting | C．affect | D．affected |
Supposing you _________ the lottery, what would you do with the money?
| A．would win | B．have won | C．had won | D．won |
Children’s brains cannot develop properly _________ they lack protein.
| A．because | B．since | C．when | D．unless |
Afraid __________? This type of anxiety can deeply disturb people’s enjoyment of social relationships.
| A．of laughing at | B．to be laughed at |
| C．of being laughed at | D．being laughed at |
Experts and teachers all think that failure is not _____ a bad thing to some extent.
| A．greatly | B．necessarily | C．definitely | D．fully |
Although Albert Einstein would someday be _________ famous scientist, he did not like __________ school.
| A．a; 不填 | B．a; the | C．the; 不填 | D．the; the |