Complete these disjunctive guestions

Если 1-ая часть Disjunctive question утвердительная, то хвостик будет отрицательным:Paulin visited her grandma, didnt she? Полин навестила свою бабушку, не так ли? Если же основная часть отрицательная, то хвостик будет положительным:Paulin didn't visit her grandma, did she? Полин не навестила свою бабушку, не так ли?

1.aren't there 2.isn't she 3. aren't they 4. isn't it 5. aren't I.

1) There are a lot of good museums in Moscow, aren't there? 2) Lena is a theatregoer, isn't she? 3) Some of the best Russian paintings are in the Tretyakov Gallery, aren't they? 4) lt is very interesting to look at paintings, isn't it ? 5) I am right, aren't I?