Exercise 1: Combine each pair of sentences below, using the conjunction given in brackets.
1. He is very rich. He isn’t happy.     (although)
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2. She couldn’t answer the question. She is very intelligent. (though)
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3. He tried. He was not successful. (though)
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4. His life is hard. He determined to study well.  (although)
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5. He was wise and experienced. He was not taken in. (though)
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Exercise 2: Change the clause of concession to phrase.
1. She didn’t eat much though she was hungry.
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2. Although he had much experience in machinery, he didn’t succeed in repairing this machine.
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3. We did the test well though it was difficult.
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4. Although he is strong, I’m not afraid of him.
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5. The plane took off though the weather was bad.
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6. Though his English was good, he wasn’t chosen.
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7. Although the streets are narrow, many people drive in this city.
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8. Mr Pike doesn’t wear glasses though he is over sixty.
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9. He ate the chocolate cake even though he was on diet. 
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10. He studies very well though his life was hard at that time.

Exercise 3: Change the clause of reason to phrase.
1. Because she was careful, she didn’t make any mistakes in her answers.
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2. I started to cough because there was smoke in the room.
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3. We didn’t go fishing because the water was rough.
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   4. I couldn’t do the test because it was difficult.
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5. Peter didn’t go to school yesterday because he was sick.
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6. Mary went to bed early because she felt tired.
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7. She didn’t go to the circus with Betty because she had a bad cold.
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8. John succeeded in his exam because he worked hard.
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9. She stayed at home because her mother was sick.
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10. I like him because his father is kind to me.
Exercise 4 : Choose A, B, C or D that best completes each unfinished sentence
1. ______ we were in town , we often met him . 
a. For         b. Although         C. So         d. When 
2 . She didn’t get the job ____ she had all the necessary qualifications .
a. because         b. although         c. so         d. but 
3. I could not eat ____ I was very hungry .
a. even though    b. in spite             c. despite          d. in spite the fact that 
4. In pite _____ , the baseball game was not cancelled . 
a. the rain         b. of the rain     
c. it was raining     d. there was a rain 
5. ______ he had enough money , he refused to buy a new car . 
a. In spite          b. In spite of        c. Despite     d. Although 
6. ______ , he walked to the station . 
a. Despite being tired         b. Although to be tired 
c. In spite being tired         d. Despite tired 
7. The children slept well , despite _____
a. it was noise     b. the noise         c. of the noise     d. noisy 
8. She left him __________ she still loved him .
a. even if            b. even though          c. in spite of         d. despite 
9. _______ her lack of hard work , she was promoted .
a. In spite         b. Even though       c. in spite of       d. despite of
10. _______ they are brothers, they do not look like .
a. Although     b. Even         c. Despite        d. In spite of 
11. We are concerned with the problem of energy resouces ________ we must also think of our environment .
a. despite         b. though         c. as though     d. but 
12. ______ some Japanese women are successful in business , the  majority of Japanese  companies are run by men . 
a. But         Even if         c. If         d. As though