It is very important ＿＿＿people to have food and water every day.

He’s given an important report on the work of the government，________?

--- ________ my baseball?       --- It’s under the chair.　　   

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

 ---She’s never been to Hainan, ________?---________. She went there last week for the first time.