1) Many people began to wearing jeans because they were cheap. => Because of..... 2) Since he was careless, Tom lost the game. => Because of..... 3) Although she behaves well, no one loves her. Despite..... 4) Because of the cold weather, the crops are late this year. => Because ... . 5) Mary was worried because Tom was late. => Because of..... 6) Tom walked slowly because his leg was bad. => Because of..... 7) I came here because I want the English course. => Because of...... 8) I went to schcol although it was hot. Despite.... 9) Because the dust in the room, I can't go in. => Because of..... 10) Because of too much smoke, We have to wear masks. => Because....

1) Many people began to wearing jeans because they were cheap.

$\Longrightarrow$ Because of cheap price, many people began to wearing jeans

2) Since he was careless, Tom lost the game.

$\Longrightarrow$ Because of Tom's carelessness, he lost the game.

3) Although she behaves well, no one loves her.

$\Longrightarrow$ Despite good behavior, no one loves her.

4) Because of the cold weather, the crops are late this year.

$\Longrightarrow$ Because it's cold weather, the crops are late this year.

5) Mary was worried because Tom was late.

$\Longrightarrow$ Because of Tom's lateness, Marry was worried.

6) Tom walked slowly because his leg was bad.

$\Longrightarrow$ Because of Tom's bad leg, he walked slowly.

7) I came here because I want the English course.

$\Longrightarrow$ Because of the English course, I came here.

8) I went to schcol although it was hot.

$\Longrightarrow$ Despite hot weather, I went to school.

9) Because the dust in the room, I can't go in.

$\Longrightarrow$ Because of dirty room, I can't go in.

10) Because of too much smoke, We have to wear masks.

$\Longrightarrow$ Because it has too much smoke, we have to wear masks.