Question

my younger brother has been sleeping ___ 8 hours
at that time he had been writing a book ___ four months
use for or since​

Answer 1

Answer:

1-for    2- since

pls mark as the brainliest answer if it helped :)

Answer 2

Answer:

Explanation:

my younger brother has been sleeping __since_ 8 hours

at that time he had been writing a book _for__ four months

Hope this helps:)