Unit 12: Life On Other Planets

Put the sentences in the correct order.

1. Closely/ following/ the/ how / are / program/ you/ space/ now?

2. Can/ photography /"prove"/ from / they/ the/ never/ that / you / left/ orbit/ Earth.

3. We're /doing/ do / think/ you /the / in /put/ quest/ to/ Mars/ people/ on?