In the following passage some words have been deleted. Fill in the blanks with the help of the altematives given. Select the most appropriate option for each number.

The doctor left some medicines with the instructions for giving them. One was to (1)_____ down the fever and another to overcome an acid condition. “The germs (2)_____ influenza can exist only in acid condition,” he explained. He said there was (3)_____ to worry if the fever did not go up above 103 degrees. This was an (4)_____ of flu and there was no danger if pneumonia could be (5)_____.