-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。

We can't work out the physics problem. Can you tell us         ?

Let’s go to Nanchan Temple,__________?

This book cost her twenty yuan ,        ?

The book was written in _______ easy English _______ even primary school students could understand it.