[单项选择]In the US, 88 percent of smokers had started before they were 18, despite the fact that it is （）to sell cigarettes to anyone under that age.
A. liable
B. liberal
C. inational
D. illegal

[单项选择]A. Today, about 14 percent are smokers. B. Today, about 80 percent are smokers.
C. Today, about 18 percent are smokers. D. Today, about 40 percent are smokers.

[单项选择]He told us a lot of jokes and had us ______ all through the meal.
A. laughing
B. laugh
C. laughed
D. to laugh

[单项选择]Mr. Brown had us （） reports all afternoon.
A. write
B. written
C. to write
D. to be writing

[单项选择]Our teacher had us（　）a report on our investigation of the case.
A. write
B. to writing
C. to write
D. written

[填空题]Professor Black had us (write) ______ composition every Friday.

[单项选择]Once our chickens started laying eggs, we had such a （　） of eggs that we were giving many away to our neighbors.
A. output
B. surplus
C. production
D. plenty

[填空题]The host who had invited us heard me telling my friend that the dinner was terrible, so I was ______ (embarrass).

[填空题]That was not the first time he had betrayed us. I think it’s high time______(我们对他采取有力措施).

[单项选择]When I arrival, the lecture had already started and the professor ______ something on the blackboard.
A. wrote
B. had been writing
C. is writing D. was writing

[单项选择]Before, whenever we had wealth, we started discussing poverty. Why not now Why is the current politics of wealth and poverty seemingly about wealth alone Eight years ago, when Bill Clinton first ran. for president, the Dow Jones average was under 3,500, yearly federal budget deficits were projected at hundreds of billions of dollars forever and beyond, and no one talked about the "permanent boom" or the "new economy." Yet in that more straitened time, Clinton made much of the importance of "not leaving a single person behind." It is possible that similar "compassionate" rhetoric might yet play a role in the general election.
But it is striking how much less talk there is about the poor than there was eight years ago, when the country was economically uncertain, or in previous eras, when the country felt flush. Even last summer, when Clinton spent several days on a remarkable, Bobby Kennedy-like pilgrimage through impoverished areas from Indian reservations in South Dakota to g
A. the country is enjoying economic growth
B. the poor are benefiting from today’s good economy
C. in the past we were more aware of the poor than we are today
D. in the past there were many more poor people than there are today