How was the weather then—Hardly _____ off the plane when it started to rain.

nk everyone has a role to play inmaking the planet a better place.—Yes, indeed. ______.

Today is September 10th. It’s __________Day. Let’s go and buy some flowers for our teachers.

There is a shortage of teachers in Western China, and it will fall on the 80s and 90s generations to this responsibility.

The joy of life is a deep spring. Only when digging deep ______ clear and sweet water.