آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 7623

Which sentence is grammatically wrong?

He had discussed the idea for ۲ hours ; he couldn't see the ................. of arguing any longer .

All my friends ................................. if I had a house by the beach. 

 . ..............................................  . The soldiers finally returned and the men get to go home to their families now

After spending a lot of time about the source of the bad smelling , they found out that the garbage .................................... an unpleasant smell.