Many social workers went to Ya’an to help clean water and food to local people to reduce their pain from the earthquake.

When the teacher asks him, he always ____.

Bill often goes to the doctor.Why—Because he ________ exercises or eats vegetables.

从选用句式角度看，填入下面横线处与上下文衔接最恰当的一句是一支支丰富多彩的藏族民歌，伴随他长大，________，也赋予他为声乐艺术贡献力量的美好愿望和理想。

The Spring Festival is __________January or February. It’s often cold _______ this time of year. But people in China are all happy __________that day.