Fill the gap with the most appropriate option from the list following the gap. Sixty percent of the unskilled workers...... yearly by the company?
A. are retain B. is retained C. were retained D. are retained
Correct Answer: D
Explanation
When deciding whether to use is or are, look at whether the noun is plural or singular. If the noun is singular, use is. If it is plural or there is more than one noun, use are. The statement is in plural form, hence ''are retained'' is the correct option
