6、_ C.They'remyfather's.⑷Aretheseyourshoes?________ D.No,theyaren't.⑸Whosesocksarethese?________ E.It'spurple.四、连词成句。(共5题;共13分)17.(5分)mine Mike's is fish bigger than (.)18.(1分)toschoolwalkI(.)________19.(5分)look, so, you, excited (.)20.(1分)she,thewindow