Choose the best answer

13. Student 1: “How might homes change in the future?” - Student 2: “__________”

A. I have to get a robot helper. B. We might live in smart homes.

C. We can’t use an automatic food machine. D. We should have smart devices.

14. Student 1: “Should we bring a tent?” - Student 2: “__________”

A. You’re welcome. B. Yes, me too.           C. Sorry, I don’t understand. D. Yes, good idea.

15. What ___ life be like if we live on the moon in the 23rd century?

A. will B. was C. do D. is

16. Everything __________ in space because there’s no gravity.

A. might float B. floats C. float D. floating

17. Don’t forget to bring a __________. It will keep you warm when you sleep at the campsite.

A. flashlight B. towel C. sleeping bag D. battery

18. __________ is special clothing to wear when astronauts work outside in space.

A. Space station B. Gravity C. Spaceship D. Spacesuit