Mary had to go to a meeting,so she left her children________at home.[ ]

She told me_____ any noise in the hall.[ ]

My parents ___________ the airport this morning.

In the future, the US policy is likely to be strongly determined by internaldevelopments in a number of key states, _______China and Russia [ ]

In a traditional Chinese wedding, the newlymarried couple(夫妻)are usually _______in red.