They haven't been able to estimate the _______ of damage caused by the earthquake.

A. certificate B. degree C. diploma D. qualification

Question 4: Some economists argue that new technology cause unemployment. Others feel that  it allows more jobs to be created.

1. Some economists argue that new technology causes unemployment, so others feel that it allows more jobs to be created.
2. Arguing that new technology causes unemployment, other economists feel that it allows more jobs to be created.
3. Besides the argument that new technology causes unemployment, some economists feel that it allows more jobs to be created.
4. Some economists argue that new technology causes unemployment whereas others feel that it allows more jobs to be created.

Question 3: The history of the United States is not long. It is interesting.

1. The history of the United States is too long to be interesting.
2. The history of the United States is not long enough to be interesting.
3. The history of the United States is interesting whereas not long.
4. The history of the United States is not long but interesting.

They had a(n)__________ , and never spoke to each other again.
A. dispute
B. objection
C. quarrel
D. opposition

Question 2:  A. example            B. exotic                    C. excellent               D. exhaust

 The players__________the referee's decision.
A. disagreed
B. disputed
C. objected
D. contradicted

Câu 50: A. habitat B. attendance C. candidate D. wilderness

Câu 49: A. specify B. illustrate C. interact D. fertilize

Câu 48: A. index B. commit C. preview D. open

Câu 47: A. considerate B. continental C. territorial D. economic