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Malek has been to India twice, [has he|hasn't he|is he|isn't he]?

They will be happy to hear from you, [would they|wouldn't they|will they|won't they]?

I'm an excellent tennis player, [is it|isn't it|am I|aren't I]?

She didn't call you yesterday, [did she|didn't she|was she|wasn't she]?