Answer :
Adding appropriate question tags to the given statements involves using the correct auxiliary verbs and pronouns. Here are the statements with their question tags:
1. This army has an important role to play, **hasn't it**?
2. You don't take sugar in your tea, **do you**?
3. Have a cup of tea, **won't you**?
4. These fans are of a very superior quality, **aren't they**?
5. This road doesn't lead to the railway station, **does it**?
6. I am a bit early, **aren't I**?
7. Let us request the teacher to explain this poem again, **shall we**?
8. Please leave me alone, **will you**?