That goes to the beginning of the sentences ?

3.  is

5. do

Explanation-

#3 should be " is your cat drinking milk?" (present continuous)

I'm not sure though, please correct me if i am wrong.

b. brooks wrote about the same type of neighborhood in which she grew up.

the main character of "the secret life of walter mitty" retreats into a false pretense as a means escape from his mundane reality -- this is a flagrant issue seen in societies abroad, typically found in young adults and it is robbing our youths of their childhood.

explanation:

a thesis -- a well developed, formal thesis is required to be one sentence long. there are many themes in "the secret life of walter mitty" and i had resolved to give you one of the simpler ones while still honing it with class.