28.( ) A: Matthew is leaving the classroom. He hasn’t finished his homework yet, ________?B: Of cour
問題詳情
28.( ) A: Matthew is leaving the classroom. He hasn’t finished his homework yet, ________?B: Of course he _______. He studies very hard. (A)doesn’t he ; does (B) didn’t he ; did (C) hasn’t he ; has (D) has he ; has