1Canyoufindoutthekiller?•.Imaginethatweallinthesameairplan.2•I'mdoingmyhomework.•I'meating.••I'mtalkingonthephone.I'mreadingacookbook.am/is/are+doing4She____________TV.(am/is/are)(watch)5They____________.6I____________.下列单词如何变成现在分词?comecrygowashwatch