--- She’s already been back to Wuxi, ________?--- ________. She is on a visit to Shanghai.

Eric’s never seen a three-D movie at the cinema，_______?

―He’s never advised to achieve a balance between his job and hobbies, ________? ―Yes. His parents and teachers often offer him some advice.

You went to the concert yesterday, ____ ?

--Laura didn’t join in their dancing last night , did she ?---________________, because she fell off her bike and hurt her legs