What is the topic of the passage?
A.The quality of the environment
B.Bad effects of industrial waste
C.Sources of environmental damage
D.The pollution from the city

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the primary stress in each of the following questions.

A.conceal
B.follow
C.conserve
D.contain

(47) ______
A.Nor
B.Or
C.Therefore
D.However

(49) ______
A.maintain
B.replace
C.keep
D.adjust

(50) ______
A.touch
B.sense
C.sound
D.taste

He asked me_________.
A.what my phone number
B.what my phone number were
C.what my phone number was
D.what was my phone number

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Because of a long period of economic depression, the company is about to ________ bankrupt.
A.go
B.make
C.take
D.lead

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If the boys played better, they ________ the football match.
A.won
B.would win
C.will win
D.were winning

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
________ in the United Kingdom, Harry Potter has been the bestseller book for a long time.
A.Published
B.Are published
C.Having published
D.Publishing

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each of the pair of sentences in the following questions.
I did not prepare carefully for the final test. I got disappointed result.
A.If I had prepared carefully for the final test, I would have got disappointed result.
B.If I hadn’t prepared carefully for the final test, I would have got disappointed result.
C.If I had prepared carefully for the final test, I wouldn’t have got disappointed result.
D.If I didn’t prepare carefully for the final test, I would not get disappointed result.