Fill the gap with the most appropriate option from the list following the gap.
Measles _____ no longer impossible to manage these days
Answer Details
Measles is no longer impossible to manage these days.
The appropriate option to fill the gap is "is" because "measles" is a singular noun, so it takes a singular verb. In this sentence, the verb is in the present tense, so "is" is the correct form of the verb to use with "measles".