6. Read, choose and fill in the blanks.
(读一读,选一选,填一填)
The moon ________ (doesn't, didn't) make its own light. It's a mysterious (神秘的) place until 1969. The two astronauts of the US landed ________ (on, in) the moon that year. They travelled by a spacecraft ________ (named, name) Apollo 11 and ________ (bring, brought) some moon rocks back to the earth.
你知道这些与“嫦娥四号”相关的知识吗？
2019年1月3日10时26分，“嫦娥四号”探测器自主着陆在月球背面南极-艾特肯盆地内的冯·卡门撞击坑内，实现人类探测器首次在月球背面软着陆。人类期望在这个坑里找到更古老的各种岩石，这样月球车就可以走到它身边去，探测各类古老岩石的化学成分、矿物组成、岩石类型和分布特征，了解那一段历史。

doesn't; on; named; brought