题目内容：

根据汉语完成单词。

1.My sister ________ (发送) some photos of her to me .

2.Do you know the ________(地球) goes around the sun .

3.The _______(太阳的) system is a small part of our galaxy .

4.There has been life on Earth for _________ (百万) of years.

5.The moon and the earth both go _________ (绕着) the Sun.

6.However, no one has ___________ (发现) any clues of the lost boy.

7.You can _________ (借) books from the library.

8.Who find the________ (信息)about wild animals?

9.They __________ (更喜欢) life On Mars.

10. With so many stars in the universe, are we __________ (单独的)?