(be) (build)
(communicate)
(not work)
(understand)
1 We would use less energy if we
smaller houses.
2 If we learned about other cultures, we
people from other countries better.
3 Lots of people
in danger if there was a tornado.
4 We better with people around the world if we spoke several languages.
5 Kate would be e relaxed if she
at the weekends.