Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Humans have done great advances in technology at the expense of the environment.
A.at the expense
B.Humans
C.have done
D.advances

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A severe illness when she was just nineteen months old deprived the well-known writer and lecturer Helen Keller from both her sight and hearing.
A.just
B.deprived
C.when
D.from both

I ___________ at the airport so late that my plane had already taken off.
A.arrived
B.got
C.reached
D.came

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
He didn’t know who it was and couldn’t imagine why they did it, but there must have been somebody that started the rumor which he was from London and very wealthy.
A.which
B.who
C.why
D.that

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It is the job interview that you should be prepared to mention a salary range.
A.the job interview
B.should be
C.to mention
D.salary range

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The Prime Minister is to consider changes to sexually discrimination laws to enforce equal opportunities.
A.is
B.To
C.Discrimination
D.enforce

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Surrounded by forested mountain slopes are the town of Telluride, a former gold-mining town 7,500 feet above sea level.
A.Surrounded
B.slopes are
C.former
D.sea level

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
As every other nation, the United States used to define its unit of currency, the dollars, in terms of the gold standard.
A.As
B.every other
C.used to define
D.its unit of currency

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A deficient of folic acid is rarely found in humans because the vitamin is contained in a wide variety of foods.
A.deficient
B.is rarely found
C.because
D.in

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
An internationally famous ballerina, Maria Tallchief demonstrated that the quality of ballet in North America could equal those of the ballet in Europe.
A.famous ballerina
B.demonstrated
C.the
D.those