—____ is your schoolbag? —It’s black and white..

________ is it from here Shantou to Guangzhou? It’s about one hour’s flight.

---I don’t think your children could have been used to the quick pace of life while working in Shenzhen, _____they?---_____. They thought of returning to Changchun.

 I don’t think David could have done such a stupid thing last night,         ?

       my baseball?It’s under the chair.