根据短文内容，用方框中所给词的适当形式填空。（其中有一词多余)be only s
题型：填空题
问题：
| 根据短文内容，用方框中所给词的适当形式填空。（其中有一词多余) | |
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| There are millions of stars in our sky. If you look 1________ the sky on a clear night, it is possible to see about 3000 stars. They 2_______ small, but they are really very big hot balls of burning gas. Some of them are huge, but others are much 3_______, like our planet Earth. The biggest stars are very bright, but they 4_______ live for a short time. Every day new stars 5______ born and old stars die．All the stars are very far away .The light 6_______ the nearest star takes more than four years to reach Earth.Hundreds of years ago, people 7________ stars, like the North star, to know which direction to travel in. Today you can still see that star. |