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.
What (A) I love most about (B) the book that was (C) the close-knit (D) friendship of the three friends.
A.What
B.about
C.that was
D.close-knit

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
He started computer programming as soon as he left school.
A.No sooner had he started computer programming than he left school.
B.Hardly had he started computer programming when he left school.
C.No sooner had he left school than he started computer programming.
D.After he left school, he had started computer programming.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Get in touch with me as soon as possible if you change your mind about the trip.
A.Should you change your mind about the trip, contact me as soon as possible.
B.If you changed your mind about the trip, get in touch with me as soon as possible.
C.You would call me whether you changed your mind about the trip.
D.Having changed your mined about the trip, you should get in touch with me soon.

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.
All possible means have been used to prevent air pollution. The sky is still not clear.
A.Every possible means has been used to prevent air pollution so that the sky can be clearer.
B.The sky is still not clear due to the fact that all possible means have been used to prevent air pollution.
C.To prevent air pollution, every possible means has been used, and so the sky is still not clear.
D.Every possible means has been used to prevent air pollution, yet the sky is still not clear.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
As soon as I........my report, I'll call you and we'll go to dinner.
A.will finish
B.finish
C.finished
D.had finished

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The International Red Cross has about 97 million volunteers whose main...............is to protect human life and health.
A.rule
B.experience
C.organization
D.mission

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Credit cards.................in international trade are very convenient.
A.used
B.using
C.which used
D.use

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
UNESCO was established to encourage................among nations in the areas of education, science, culture, and communication.
A.employment
B.collaboration
C.workforce
D.independence

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It isn't cold outside. You....................wear a coat.
A.may
B.mustn't
C.should
D.needn't

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The lake....................from our bedroom window.
A.can see
B.could see
C.can be seen
D.could been seen