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.
Human beings have destroyed the environment for a long time. They are now paying a high price for this.
A.Because having destroyed the environment for a long time, human beings are now paying a high price for this.
B.Having destroyed the environment for a long time, human beings are now paying a high price for this.
C.On destroying the environment for a long time, they are now paying a high price for this.
D.After being destroyed for a long time, the environment is now paying a high price.

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.
Alternative sources of energy have environmental advantages. It’s not easy to make full use of them.
A.Because alternative sources of energy have environmental advantages, it’s not easy to make full use of them.
B.Alternative sources of energy have environmental advantages, so it’s not easy to make full use of them.
C.Despite their environmental advantages, it’s not easy to make full use of alternative sources of energy.
D.Although alternative sources of energy have environmental advantages, but it’s not easy to make full use of them.

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.
Transportation has been made much easier thanks to the invention of car. However, cars are the greatest contributor of air pollution.
A.The invention of cars has made transportation much easier, but cars are among the greatest contributors of air pollution.
B.However easier the invention of cars has made transportation, it is cars that among the greatest contributors of air pollution.
C.Although the invention of cars has made transportation much easier, cars are the greatest contributor of air pollution of air.
D.Although the invention of cars has made transportation much easier, people use cars to contribute to the pollution of air.

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.
I suppose they are very tired. They have been working all morning.
A.Because they have been working hard they are now very tired.
B.They must be very tired as they have been working all morning.
C.They can be very tired due to working all moming.
D.They were very tired because of a hard working moming.

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.
The leader failed to explain the cause of the problem. He did not offer any solutions.
A.Though the leader failed to explain the cause of the problem, he did not offer any solutions.
B.The leader failed to explain the cause of the problem so he did not offer any solutions.
C.The leader failed to explain the cause of the problem nor did he offer any solutions.
D.The leader failed to explain the cause of the problem because he did not offer any solutions.

_____(2)
A.you see every body else
B.you see no one
C.you saw every body else
D.you see every body

According to the author, the impracticality of using coal, oil shale and coal tars as sources of energy is due to_____
A.their being time consuming
B.their being money consuming
C.the scarcity of sources
D.the lack of technology

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.
A criminal tried to attack Jane on her way home. A helpful passer-by stopped him in the act.
A.A passer-by intervened just when a criminal was trying to attack Jane in the act of going home.
B.Had it not been for the intervention of a helpful passer-by, Jane would have been attacked on her way home.
C.If Jane hadn't got in the criminal's way home, a helpful passer-by would have been attacked.
D.A helpful passer-by put an end to the attack from Jane when going home with the criminal.

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.
The film was not interesting. However, he tried to watch the whole film.
A.In spite of the film uninteresting, he tried to watch the whole film.
B.Uninteresting as the film was, he tried to watch the whole film.
C.Despite of uninteresting film, he tried to watch the whole film.
D.Uninteresting as was the film, he tried to watch the whole film.

Mark the letter A, B, C or D to indicate the sentences that best combines each pair or sentences in the following questions.
The proposal seemed like a good idea. The manager refused it.
A.The proposal didn’t seemed like a good idea, so the manager didn’t accept it.
B.The manager didn’t like the proposal because it didn’t seem a good idea.
C.The manager refused the proposal though it seemed like a good idea.
D.Since the proposal seemed like a good idea, the manager refused it.