In the following passage some of the words have been deleted. Read the passage carefully
and select the correct answer for the given blank out of the four alternatives.

It is easy to think that the daily life of a plant is a simple (1) ______. They seem to just stand there and sunbathe. However, plants are very busy all the time doing (2) ______ things. This activity is aimed at surviving the day and (3) ______ for the future. They are continuously working for it. Plants need food to survive. Being (4) ______ in the ground means that they cannot move around to find food so they must make their own. They do this by taking water from the soil in (5) ______ their roots and a molecule in the air carbon dioxide into their leaves.