Question

17.  Life in space is really_______________(DIFFER)from life on Earth.

18.Car producers are experimenting many new __________________(TECHNOLOGICAL) to reduce exhaust fumes.

19.We should bring some _____________(DRY) food for the camping trip so we don’t need much cooking equipment.

20.A(n)________________(FRIEND)house is a house that is good for the environment.

Answer 1

17. different.
18. technological.
19. dry.
20. green.

Answer 2

1 different

2 technologies

3 dried

4 eco-friendly