Chinese classics Senior High about 6 yearsago

答えは『う』なのですがどのようにかんがえれば答えが出ますか？

5. 1called him ( ) dinner. ィ to invited him ェ to invite him with ア for inviting him to ウ to invite him to

Chinese classics Senior High about 9 yearsago

I sat on the floor eating my dinner.のeatingってmy dinner にかかってますよね？このeatingの分詞てきな意味を教えてください。なんでeatingになるか