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.

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 ene

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.

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.

 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

Greenpeace has realized the seriousness of environmental pollution. It urges the government worldwide to take action soon. 

A. Having realized the seriousness of environmental pollution, Greenpeace urges the government worldwide to take action soon.

B. Greenpeace has realized the seriousness of environmental pollution so that it urges the government worldwide to take action soon

C. Greenpeace has realized the seriousness of environmental pollution whereas it urges the government worldwide to take action soon

D. Realized the seriousness of environmental pollution, or else Greenpeace urges the government worldwide to take action 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.

A. He studied so few that he didn’t pass the end-of-term test.

B. He didn’t study hard enough for to pass the end-of-term test.

C. He didn’t pass the end-of-term test because didn’t study much.

D. He didn’t study enough to pass the end-of-term test.

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. Since I’m unable to get in contact with him, it seems certain that he’s closed his e–mail account.

B. If no one is able to get in contact with him, he ought to get e–mail account for himself

C. He may have closed his e–mail account, but I won’t know for sure until I get in touch with him

D. I must have got his e–mail address wrong, because he’s not giving me any reply.

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. If only he had been able to finish his book.

B. If it weren’t for his wife’s help, he couldn’t have finished his book.

C. Without his wife’s help, he couldn’t have finished his book.

D. But for his wife’s help, he couldn’t finish his book.

Mark the letter A, B, C, or D on your answer sheet to indicate sentence that sentence that best combines each pair of sentences in the following questions
We've run out of tea.

A. We didn’t have any tea.      

B. We have to run out to buy some tea.

C. There's not much more tea left.    

D. There's no tea left.