I wasn't really interested in math, but I _______.

I wasn't really interested in math, but I managed to do it somehow.

I wasn't really interested in math, but I managed to do it somehow.

I wasn’t sure if he was really interested or if he ____ polite.

A、

had just been

will just be

would just be

was just being

I am not really interested in math, but I can _________.

A、

muddle through  

look through       

 muddled through     

 looked through