Question

Did you understand how much physical labor can_______ the body very quickly?

A. exhaust
B. extract
C. exert
D. extend

Answer 1

A. Exhaust makes the most sense

Answer 2

exhaust

Step-by-step explanation:

The context here is physical labour which is very tiring. Exhaust would best fit as it means; drain (someone) of their physical or mental resources; tire out.