. The UN is _______ countries that want to increase peace.
—On which day shall we go outing in the Qiagling Mountains, Friday, Satutiby or Sunday? — is all right.
The survery shows that if people cannot afford house, they will feel less content about ___life.
—I think sometimes watching TV will cause visual pollution to the teenagers. —_________.
You had better ____ some money for your daughter.
I don’t know whether you happen ____ that he has been away for two months.