She sang well, _______? (Question Tag)

A - did she

B - didn't she

C - does she

D - doesn't she

Answer : B

Explanation

She sings well, doesn't she?.

Nothing was known about him, ________?

A - was it?

B - wasn't it?

C - isn't it?

D - is it?

Answer : A

Explanation

Nothing is impossible, is it?.

Let us go for a walk, Question tag?

A - do we?

B - shall we?

C - don't we?

D - didn't we?

Answer : B

Explanation

For imperetative sentence beginning with let us, when a seuggestion or proposal is being made the question tag will be 'shall we?'.