This book cost her twenty yuan ,        ?

—     do you surf the Internet?—Once a week.

_____tea and coke are you going to buy?

-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。

–Mrs. Huang often speaks to foreigners, _________? –Yes, she wants to practice her spoken English.