根据句意和提示完成句子。 |
1. Has it reached ______ (火星) yet? 2. The journey has taken ______ (数月). 3. We haven't found life on other______ (行星) yet. 4. The sun and its planet are called ______ (太阳系). 5. It's an ______ (不载人的) mission. 6. The______ (宇航员) have discovered many interesting things ______. 7. The m______ (信息) has been around the country about three years. |