Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
There has been growing public concern about the use of chemicals in food recently.
A.protection
B.reservation
C.preservation
D.conservation

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
A lot of research in medical science has been to improve human health.
A.given off
B.made up
C.taken up
D.carried out

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Last week, we an interesting film about the animal world.
A.see
B.are seeing
C.saw
D.will see

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
During a job interview, candidates are advised to on the interviewer's questions and make an effort to answer them properly.
A.emphasize
B.rely
C.concentrate
D.decide

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The success of the company in such a market is remarkable.
A.competitively
B.competitive
C.compete
D.competition

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The dog my father gave me is very lovely.
A.when
B.where
C.who
D.which

Mark the letter A, B, C, or D on your answer sheet to show the underlined part of question that needs correction.
The changes made in the working conditions at our company resulted in all aspect of our business.
A.made
B.working conditions
C.all aspect
D.our business

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It is important for students to full use of university facilities.
A.make
B.take
C.find
D.do

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Some kinds of fish live in fresh water. Others live in sea water.

A.Some kinds of fish live in fresh water, or others live in sea water.
B.Some kinds of fish live in fresh water, for others live in sea water.
C.Some kinds of fish live in fresh water, so others live in sea water.
D.Some kinds of fish live in fresh water, and others live in sea water.

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.
Animals like frogs have waterproof skin that prevents it from drying out quickly in air, sun, or wind.
A.have
B.that
C.it
D.wind