Fill in: self-sufficient, overcome,
warm up, afford, release.
1 Eventually, they managed to their
problems.
2 The ISS isn't because it can't produce
or make everything that it needs.
3 Climate change could the Earth
by 3°C by 2100.
4 Power stations
carbon dioxide and
other greenhouse gases into the atmosphere.
5 Only the world's richest can to be
a space tourist; it costs about $20 million!​

kerdivar86    1   10.04.2020 11:30    71