----Thank god, you finally returned home _____.----You can never imagine how I worried about you when I was told about the terrible accident.

There was a __________look on her face because a________ problem _________the little girl.

 These plastic flowers look so _____ that many people think they are real,____they sell badly for the finanical crisis.

The Yangtze River is almost          the Pearl River.

We can’t get the machine to run. There must be ______ with it.