Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

I had ability of learning many foreign languages. My mother herself recognized it.

A. I had ability of learning many foreign languages though my mother herself recognized it.

B. It was my mother who recognized my ability of learning many foreign languages.

C. I had ability of learning many foreign languages unless my mother herself recognized it.

D. It was my mother's ability of learning many foreign languages that she herself recognized.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

Volunteer work includes a wide range of activities. Among them are coaching children and youth.

A.Coaching children and youth are the most common activities included in a wide range of volunteer working activities.

B.Coaching children and youth are included in a wide range of activities of volunteer work.

C.Including a wide range of activities, volunteer work involves coaching children and youth.

D.Volunteer work includes a wide range of activities, among which are coaching children and youth.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

Unemployment rate is high. This makes many children move back to their parents' house.

A. Many children move back to their parents' house, which makes high unemployment rate.

B. High unemployment rate forces many children to move back to their parents' house.

C. Moving back to their parents' house suggests that the unemployment rate is high.

D. It is necessary to move back to your parents' house if unemployment rate is high.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

Your parents will help you with the problem. You should tell them the story.

A. Because your parents will help you with the problem, you should tell them the story.

B. Your parents will help you with the problem since you should tell them the story.

C. If your parents will help you with the problem, you should tell them the story.

D. Your parents will help you with the problem because you should tell them the story.

Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

The government knows the extent of the problem. The government needs to take action soon.

A. The government knows the extent of the problem whereas it needs to take action soon.

B. The government knows the extent of the problem so that it needs to take action soon.

C. Knowing the extent of the problem, the government needs to take action soon.

D. The government knows the extent of the problem, or else it needs 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.

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.

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