根据汉语完成单词。
My sister ________ (发送) some photos of her to me .
Do you know the ________(地球) goes around the sun .
The _______(太阳的) system is a small part of our galaxy .
There has been life on Earth for _________ (百万) of years.
The moon and the earth both go _________ (绕着) the Sun.
However, no one has ___________ (发现) any clues of the lost boy.
You can _________ (借) books from the library.
Who find the________ (信息)about wild animals?
They __________ (更喜欢) life On Mars.
With so many stars in the universe, are we __________ (单独的)?