Помогите пожалуйста Fill in the sentences with verbs formed using the

Помогите пожалуйста
Fill in the sentences with verbs formed using the prefixes re-, dis-, mis-, under- and the verbs in brackets.
He ___________ (understood) the question completely.
I'm going to ___________ (do) that report.
They have managed to ___________ (create) the feeling of the original theatre.
These forests could ___________ (appear) altogether in the next twenty years.
He is ___________ (going) surgery for a heart problem