Read the passage and choose the proper words to fill in the blanks.

　　At night you can see many stars. But _____1______ the day you can see only one star--the sun.

　　Do you know that the sun is a star? It looks ______2_____ than other stars because it is nearer ______3_____ us. The sun is _____4_____ bigger than the moon. The _____5______ light and heat make our plants grow. We can't ______6_____ without the sun.