Question 39. Although she practiced daily, she could not master the piano piece.
→ Despite practicing daily, she could not master the piano piece.

Question 40. The forest has become a nature reserve. Therefore, people are not allowed to camp or hunt there.
" Since/ Because it has become a nature reserve, people are not allowed to camp or hunt there.

Mistakes:

Question 33: Because I was the smallest person among my classmates, so I used to be bullied.
Mistake: "so" is redundant after "because."
Correction: Because I was the smallest person among my classmates, I used to be bullied.

Question 34. Despite of our successful social awareness campaign, there is still much work to do to reduce poverty.
Mistake: "of" should be removed after "Despite."
Correction: Despite our successful social awareness campaign, there is still much work to do to reduce poverty.

Rewrite the sentences:

39. Despite practicing daily, she could not master the piano piece.
40. Since the forest has become a nature reserve, people are not allowed to camp or hunt there.

Corrected sentences:

33. Because I was the smallest person among my classmates, I used to be bullied. (Remove "so")
- Correction: B. so

34. Despite our successful social awareness campaign, there is still much work to do to reduce poverty.
- Correction: D. Despite of

Question 39. Although she practiced daily, she could not master the piano piece.
→ Despite practicing daily, she could not master the piano piece.

Question 40. The forest has become a nature reserve. Therefore, people are not allowed to camp or hunt there.
" Since/ Because it has become a nature reserve, people are not allowed to camp or hunt there.

Mistakes:

Question 33: Because I was the smallest person among my classmates, so I used to be bullied.
Mistake: "so" is redundant after "because."
Correction: Because I was the smallest person among my classmates, I used to be bullied.

Question 34. Despite of our successful social awareness campaign, there is still much work to do to reduce poverty.
Mistake: "of" should be removed after "Despite."
Correction: Despite our successful social awareness campaign, there is still much work to do to reduce poverty.