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

All the clothes donated by the citizens need cleaning thoroughly before being sent to the earth-stricken area, ______ ?

I suppose he ought to have known that,________?

No one will be sad because humans will have learnt to fix many of the problems that affect us now, like war, pollution and hunger, ________ ?

 _______ beef do we need to buy?