In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

Comprehension:
What are the future possibilities for space travel in the long term? (1) ______ will humans go after they have explored our solar system? It is said that ‘Star Trek’ could hold the (2) ______ to
these questions. It is predicted that travel to other galaxies will only be (3) ______ in huge ‘starships’. These will wander through space for hundreds or even thousands of years. Each of them will carry a large human (4) ______. Some of those people will take over a suitable new planet and settle down there. This search for new planets to settle in will continue until life on planet Earth could be just a (5) ______ memory.