Do you have any difficulties_____out the problem?填working 还是to work?why?

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Doyouhaveanydifficulties_____outtheproblem?填working还是towork?why?Doyouhaveanydifficulties_____outthep

Do you have any difficulties_____out the problem?填working 还是to work?why?
Do you have any difficulties_____out the problem?填working 还是to work?why?

Do you have any difficulties_____out the problem?填working 还是to work?why?
working
have problem/difficulty 后面接动词ing形式
I don't have any difficulty understanding you.

have difficulty to do sth
have difficulty in doing sth

in working.......

to work

working