Помогите пожалуйста с английским очень срочно надо!!!
ПОМОГИТЕ !
Complete the sentence(b) in each pair so that it has a similar meaning to the sentence(a).
1 a) 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.
2 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.
3 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.
4 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.