I think it is to say the answer and ask the question example : 2+2=4 so what are we try to figure out
Answer:
C) Firefighters must be able to perform CPR in addition to firefighters must be able to perform CPR in addition to firefighting.
Explanation:
The correct answer is A. Some students underestimate their capabilities.
Just to let you know why:
In B. the verb is singular and the subject is plural.
In C. the subject is singular and the verb is plural.
In D. the subject is singular and the verb is plural.
They cannot experience anything by themselves
I think the answer is d. hmm not sure.