4 * Complete the film review with the third conditional form of the verbs in brackets. * * * * * 1 Film review: The Martian Star rating: If I hadn't seen (not see) this fascinating film, Thadnt Learnot learn) all about the planet Mars. The story is about a space mission in 2035. By accident, Mark Watney (Matt Damon) is left behind on Mars by the other astronauts. Of course, they (not leave) him unless they (think) he was dead. They later learn that he's alive, but the next mission to Mars is four years away! To stay alive, Watney starts to grow potatoes - (not know) how to do this if he 2 3 he 4 5 (not study) plant science at university. But does he survive? Watch the film to find out!