Dau coroana! Va rog...
Complete sentence b) in each pair so that it
has a similar meaning to sentence a).
a) It's likely there is life on other planets. If so, we
are not alone.
b) If there
............. life on other planets, we
........ not alone.
2 a) The world's population will probably continue to
increase. If so, we will need more food.
b) If the world's population ..................... to
increase, we
............. more food.
3 a) Other intelligent beings might inhabit the
universe. If so, they would be very different from
us.
b) If other intelligent beings ......
the
universe, they
.... very different from
us.
4 a) There aren't many TV programmes about
science, so people don't know much about it.
b) If there
.... more TV programmes
about science, people
.. more
about it.
5 a) We shouldn't have spent so much money on
space research. Instead, we could have solved
many other serious problems.
b) If we
.... less on space research, we
..... many other serious problems.
........​