题目

 Last night, in the dream, John found himself _____ by a fierce wolf and unable to escape. A. being chased B. to be chased C. be chased D. having been chased 答案：A8、如图所示，下面关于电路的几种判断正确的是（　　）A、L1、L2、L3三盏灯是并联的B、L1、L2并联后与L3串联C、L2、L3并联后与L1串联D、当开关S闭合后只有L2、L3发光