1) Although Tom was a poor student, he studied very well

  → In spite of being a poor student, Tom studied very well.

2) Mary could not go to school because she was sick.

  → Because of her sickness, Mary could not go to school.

3) Although the weather was bad, she went to school on time.

  → Despite the bad weather, she went to school on time.

4) My mother told me to go to school although I was sick.

  → In spite of my sickness, my mother told me to go to school.

5) Because there was a big storm, I stayed at home.

  → Because of the big storm, I stayed at home.

1) Although Tom was a poor student, he studied very well

  → In spite of being a poor student, Tom studied very well.

2) Mary could not go to school because she was sick.

  → Because of her sickness, Mary could not go to school.

3) Although the weather was bad, she went to school on time.

  → Despite the bad weather, she went to school on time.

4) My mother told me to go to school although I was sick.

  → In spite of my sickness, my mother told me to go to school.

5) Because there was a big storm, I stayed at home.

  → Because of the big storm, I stayed at home.