--Mary hasn’t paid for the school things, has she ?--______. Her mother will pay for her. 

---Emma has to stay at home to look after her little sister,  ? ---Yes, because her mother has gone to the supermarket.

—____Li Hong_ ______reading English?—Yes, she does.

—Miss Gao, I am feeling bored. Would you mind my ________ here?—You had better not, for smoking is forbidden in public now.

 ---Your cousin often disagrees with you, ________ he?---____________. We often have different opinions.