I ..... understand him because I don't speak French. So, we used body language to communicate with each other.

I ..... understand him because I don't speak French. So, we used body language to communicate with each other. (*) might (*) couldn't (*) mustn't (*) would have


This is a companion discussion topic for the original entry at https://english.best/questions/21182,i-___-understand-him-because-i-dont-speak-french-so-we-used-body-language-to-communicate-with-each-other/