There are few problems left I believe you can deal with them yourself.
Mr.Smithstoodbesidethewindow,hisattention____thecaroutside.
Cars_____,theywerepunishedbythepolice.
Theysatintheroomwiththecurtains_____.
Thepurse_____,theywenttothepolice.
Theyfirstreachanagreementonthebasicprinciple,thedetails____later