Какие слова нужно вставить1)Where .... the children?A) am B) is

Какие слова необходимо вставить
1)Where .... the children?
A) am B) is C) are
2)John ... got a grey rabbit.
A)have B) has
3)My little sister doesn't....a bike.
A) have B) has
4) Ann ... her beautiful flowers every day.
A) water B) waters
5) Does Tiny....letters and postcards?
A)get B)gets
6) When do the friends... to bed?
A) go B) goes