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kind of busy He is busy ( ) his homework. I busy doing homework.busy后一定要加ing么 what are you busy ( ) i'm busy ( )my homework I'm kind of busy.be kind of I am busy __(do)my homework. the students are busy （）their homework Tom is busy doing his homework. Last Saturday I was busy ( ) my homework . some students are busy ( ) their homework. He is busy ﹍(do) his homework I'm busy ______(do)my homework