1. NASA has sent 11 orbiters and 8 landers to Mars__________1994.

A. since                          B. in                     C. from                 D. until

2. While still a small child, John was very fond__________ creating new things.

A. with                          B. at                     C. of                     D. for

3. Text messaging, or texting, is a fast and efficient way to__________ information.

A. make                         B. collect               C. receive              D. exchange

4. One day, we’ll be able to send thoughts to each other directly using__________ technology.

A. video conference       B. social media     C. telepathy                    D. holography

5. Italian__________ Galileo Galilei was the first person to look at the Moon through a telescope.

A. astronomer                B. astronaut                   C. archeologist     D. explorer