A: Hi, Yang Lin, you were absent today._____1______?(你怎么了) B:I have got a fever. The doctor_____2_____(要求我打點滴)for three days. A:______3____(聽到這些我感到抱歉) B: What's the homework for today? A: The teacher asked us to do a class survey about _____4_____(我們花多少時間在健康上) every day. B:_____5_____(謝謝你告訴我), I will finish the assignment.