"I don't know what the normal ______ of a chicken is, but this sick chicken has been alive for half a century,” he joked. A. lifespan B. life expectancy C. longevity D. lifetime
"I don't know what the normal ______ of a chicken is, but this sick chicken has been alive for half a century,” he joked.
A. lifespan
B. life expectancy
C. longevity
D. lifetime