Select the most appropriate word to fill in the blank.
During the monsoons it is ___________ to boost oneβs immunity with a proper diet and regular exercise.
Identify the segment in the sentence which contains a grammatical error. According to current research by World Health Organisation, a 65-year-old person is then no longest categorised as old.
A.
a 65 year old person
B.
According to current research by World Health Organisation