I had some difficulty with my math last semester.(改为同义句)

问题描述:

I had some difficulty with my math last semester.(改为同义句)
I ____ ____ ____ ____ with my math last semester.

had a hard/difficult time(因为干某事遇到困难英语词组有had a hard/difficult time with sth或had a hard/difficult time doing sth或have difficulty with/doing sth或have trouble doing sth等...