【正文】
(我現(xiàn)在仍然在看電視) Match these words fifteen six :00 ’clock . Write the questions: 1_______________________________? He has been standing there for four hours. 2___________________________? I have been riding a bike since I was ten years old. 3___________________________________? She has been walking for five hours. ? I’ve been watching TV since 7:00 ? He’s been waiting for the train for an hour. Fill in the blank with for or since have been practicing the piano ____ 10:30. has been running ____ 15 minutes. has been sleeping since_____ 9:00. 4Dale has been talking on the phone _____5 minutes.