Is it difficult----(finish)---(work)out the problem in five

Is it difficult----(finish)---(work)out the problem in five minutes
Go to the bookshop in the shopping mall,and you----(find)a lot.
The thif tried----(run)away but the policemen---(catch)them in the
end.
Peter----(live) two floors below Mary.
Uncle Jim is busy today.He----(not come)to our party.
Look!It's----(big)than yours.
We'll learn the----(tweleve)lesson tomorrow.
Can you swim---(cross) the rive?