Question

(2) Add question tags :
(a) It proves everything.
Ans.
(b) Sing that back.
Ans.​

Answer 1

Answer:

(a) It proves everything ,doesnt it ?

(b) Sing that back ,will you ?(If you have to show respect you can use "would you ? "instead too)

Hope this helps

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Answer 2

Answer:

(a) It proves everything, doesn't it?

(b) Sing that back, will you?

Explanation:

I hope it will help you...✍