Sleeping, resting and _________ are the best way to care for the cold.
to drink fluids
one drinks fluids
Correct Answer: EASY
Parallel structure: When using the conjunction and to connect the elements of a sentence together, the components must be similar in word type or structure. => The word to be filled in must have the same gerund as sleeping and resting
=> Select D. drinking fluids
Sleeping, resting and drinking fluids are the best ways to care for someone with a cold.