It ________ about eight minutes for sunlight (阳光) to travel from the sun to the earth.

The earthquake has killed over two thousand people in Yushu.—________.

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

About ________ of the workers in the factory were born in the ________.

Miss Zhang, I can’t find my pen. — If you can’t find _____, you can borrow _____ from your classmate