How 2предложения
Whose 2предложения
Who 4 предложения

Ответ:

Объяснение:How many roses did he present her? — Скільки троянд він їй подарував?

How much homework do you have?

Whose dog is it?

Guess whose lottery ticket won?

Who is calling you?

Who loves her?

I don't know whom are you talking about.

I don't know, who is talking.