i don't know ---with the problem(填how to do 还是what to do ）.3Q

i don't know ---with the problem(填how to do 还是what to do ）.3Q
i don't know ---with the problem(填how to do 还是what to do ）.3Q

i don't know ---with the problem(填how to do 还是what to do ）.3Q
how to do； how to do 后面要接宾语,而what to do不用.