Question

she simply sat quietly add question tag

Answer 1

didn't she simply sit quietly
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Answer 2

The answer is, “She simply sat quietly, doesn’t she?”

The question tags are the small form of a question that is used at the end.

These type of phrases are usually used in spoken English.

These terms are easy to understand in terms of the question with their rules.

They usually put small question form at the end such as isn’t, don’t, have, etc.