在一次测量小灯泡额定功率的实验中,(电源由三节新干电池串联组成)聪明而粗心的小刚连接了如图 (A)所示的电路.同组的小明发现电路连接有错.问:
-Have you finished your work ___________, Jane?
-Yes, I've done it ___________.
— Thank you. ______. I have to drive home.