I wonder ______. He looks young and handsome.

There somany foreigners in the streets these days.– They might be runners in the Yellow River Estuary (入海口，河口) International Marathon.

I think that’s unlikely to happen, but if that ______ occur, both America’s and China’s interest would be severely damaged.

Not a single word_______ when _______about his late mother.

All the rooms are air-conditional and beautifully decorated, thus_______ a warm and comfortable atmosphere.