[单项选择]

The professor is quite difficult pleased .（）

A. to please
B. to be pleased
C. for pleasing
D. pleasing

[单项选择]The professor is quite difficult pleased（）.
A. to please
B. to be pleased
C. for pleasing
D. pleasing

[单项选择]Professor Einstein is pleased to see that Americans ______.
A. have adapted to a new set of moral standards
B. are longing for file return of the good old days
C. have realized the importance of material things
D. are awakening to the lowering of their moral standards

[单项选择]Professor Elshtain is pleased to see that Americans ______________
A. have adapted to a new set of moral standards
B. are longing for the return of the good old days
C. have realized the importance of material things
D. are awakening to the lowering of their moral standards

[单项选择]Although punctual himself, the professor was quite used ______ late for his lecture.

[单项选择]That job is quite difficult. I can understand why you have ______ so many problems.
A. run for
B. run over
C. run off
D. run into

[单项选择]

It is often difficult for a man to be quite sure what tax (税) he ought to pay to the government because it depends on so many different things: whether the man is married; how many children he has; whether he supports any relations; how much he earns; how much interest he receives; how much he has spent on his house during the year; and so on and so forth. All this makes it difficult to decide exactly how much the tax is.
There was a certain artist who was always very careful to pay the proper amount.
One year, after posting his check as usual, he began to wonder if he had paid enough, and after a lot of work, with a pencil and paper, decided that he had not. He believed that he owed the government something.
He was just writing another check to send to the tax-collector when the postman dropped a letter into the box at the front door. Opening it, the artist was surprised to find inside it a check for five pounds from the tax-collector. The official explai
A. less tax than he should have
B. more tax than he should have
C. as much tax as usuall
D. just enough tax