Comprehension Passage
In the following passage some words have been deleted. Read the passage carefully and select the most appropriate option to fill each blank.
There is a fantastic body of evidence which indicates that (1)_____ brings down the stress chemical and it enhances (2)______ happiness chemical. The videos of medicos (3)_______ in hospital corridors have helped us (4)_______ in these gloomy times. Indeed optimism and (5)________ are the need of the hour.
Select the most appropriate option to fill in blank no. 2.
1
one
2
an
3
a
4
the