Hoàn chỉnh các câu hỏi sau : 1. What / be/ awful thing to see? → 2. When / be / fire / greatest dangerous / wood and forest? → 3. Why / foresters / not allow anyone / go / the forests? → 4. What / forest fire / destroy? → 

1. What / be/ awful thing to see?
→ what is the awful thing to see
2. When / be / fire / greatest dangerous / wood and forest?
→ when was the fire greatest dangerous to wood and forest 
3. Why / foresters / not allow anyone / go / the forests?
→  why  foresters don't allow anyone to to the forest
4. What / forest fire / destroy?

=> what do forest fire destroy

1. What is the awful thing to see?

2. When was the fire greatest dangerous to wood and forest?

3. Why  foresters don't allow anyone to to the forest?

4. What do forest fire destroy?

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