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.
Mr. Nam is very busy with his work at school. He still takes good care of his baby.
A.In spite of being very busy with his work at school, Mr. Nam takes good care of his baby.
B.Because Mr. Nam is very busy with his work at school, he takes good care of his baby.
C.Mr. Nam is so busy with his work at school that he cannot take good care of his baby.
D.Mr. Nam is too busy with his work at the office to take good care of his baby.

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.
We cut down many forests. The Earth becomes hot.
A.The more we cut down forests, the hotter the Earth becomes.
B.The more forests we cut down, the hotter the Earth becomes.
C.The more forests we cut down, the Earth becomes hotter and hotter.
D.The more we cut down forests, the Earth becomes hotter.

I. Choose the word whose underlined part has a different pronunciation from the others in each group.

A.conservation
B.destruction
C.circulation
D.question

I. Choose the word whose underlined part has a different pronunciation from the others in each group.

A.interested
B.needed
C.passed
D.added

I. Choose the word whose underlined part has a different pronunciation from the others in each group.

A.scientist
B.disease
C.sickness
D.medicine

II. Choose the word whose main stress is placed differently from the others in each group.

A.conservation
B.environment
C.circulation
D.reconstruction

II. Choose the word whose main stress is placed differently from the others in each group.

A.eliminate
B.preparation
C.disappearance
D.vegetation

II. Choose the word whose main stress is placed differently from the others in each group.

A.medicine
B.erosion
C.importance
D.endanger

Choose the best answer to each of the following questions.
Try to do this test. It is ____ than the others.
A.less difficult
B.less and less difficult
C.least difficult
D.more and more difficult

Choose the best answer to each of the following questions.
Summer is _____ season of the year.
A.hottest
B.the hottest
C.the hotter
D.the more hottest