You went to the concert yesterday, ____ ?

—        is the weather in Australia now?　　 —Hmm．it’s summer there and a little windy．

— Tom’s never done extra work for his class, _______he?—_______. He is the laziest boy in his class.

—She has never read this book, __________ she? —__________, so she knows little about it.

-The captain（船长）of the Sewol ferry（岁月号）hardly do anything to help the passengers on the ferry。          ？-              ，so over two hundred people lost their lives in the accident。