Помогите срочно, вставить окончание вопроса
Tom is reading this book, _____?

Dan and Tony are teaching the cycle of life, ____?

She planted the flowers, ____?

He can’t do this task, ____?

They haven’t known this answer, ____?

Isn't he, aren't they, didn't she, can he, have they.

1) DOES

2) DOES

3) DOES

4) DOES

5) DOES

Вроде это