问题描述：
1.The sun is about 149640000 kilometres _____ the earth .
A on B from C away D than
2.The ____ biggest telescope is in Russia .
A worlds'B world's C worlds D world of
选什么 为什么
A on B from C away D than
2.The ____ biggest telescope is in Russia .
A worlds'B world's C worlds D world of
选什么 为什么
问题解答：
我来补答展开全文阅读