1. The teacher tols us that scientists had searched_____
2. It's eating in weightless conditions that isn't easy
3.Aliens might invade the eart and do the same thing
4.Jupiter's moon Europa is so cold that the ice_____
5.The atmosphere of Mars is too thin to breathe
6. Most students looking up for in formation____
7. In the end, they succeeded in landing____
8.Teens prefer texting to talking___
9.Apple computer was founded by steve jobs in____
10.Tim wanted to know whether we would have flying cars by___