Ответы и объяснения

1. a)Is he eleven?
    b) Is he eleven or twelve?
2. a) Can they sing/
    b) can they sing or dance?
3. a) Has she got a frog?
    b) Has she got a frog or a mouse?
4. a) Are they farmers?
    b) Are they farmers or workers?
5. a) Are the balloons red?
    b) Are the balloons red or green?