S 0 Where are the A child B children ? 1 We A must be quiet in class. B mustn't 2 Dad, A can I watch TV? B must 3 I play your violin, please?" "No!" A Can B Must 4 Tom, you A must climb on your desk. B mustn't 5 We haven't got any A battery B batteries
0 - B
1 - A
2 - A
3 - A
4 - B
5 - B