Предлагаю варианты вопросов, аналогично примеру с Marina.
- Anton is three.
- (a) Is Anton three?
- (b) How old is Anton?
- Tamara is eleven.
- (a) Is Tamara eleven?
- (b) How old is Tamara?
- The children are twelve.
- (a) Are the children twelve?
- (b) How old are the children?
- The boys are sixteen.
- (a) Are the boys sixteen?
- (b) How old are the boys?