--- He has never traveled to a foreign country,        ? --- Yes. He has been to England once.

It’s wise _______ you _______ your child at home alone while it’s also very important _______ him to learn to protect himself.

--There is little coffee in the bottle,____________?

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

—He’s never sung French songs before, has he? —___________. It’s his second time to sing in French.