Studies show that people are more tosuffer from back problems if they always sit before computer screens for longhours.

Do you learn to cook at home— Yes. ________ to cook is great fun.

The climate in Chengdu is warmer than______in Harbin.

The key point is not who said the words,______ they are true or not

What do you think of the Voice of China— I have no idea, because I it yet.