I really don't know how to ___the problem?(处理)

I really don't know how to ___the problem?(处理)
I really don't know how to ___the problem?(处理)

I really don't know how to ___the problem?(处理)
do with
deal with
solve

solve

Solve

deal with

solve解决.处理.
solve the problem解决问题.处理问题.
我真不知道怎么处理这个问题.

deal with