English, asked by guptahema783, 8 months ago

Diet and nutrition must have been a key factor
(Add a question tag)​

Answers

Answered by XxMrNobodyxX
18

Answer:

It must be her car, don't you think? According to [Swan, 1986]: If the main clause has be, this is also used in the question tag. If the main clause does not have an auxiliary verb (or be), do is used in the question-tag.

Answered by ronak867717
6

Answer:

yes

Explanation:

yes why not they are very important factorof our life

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