第二部分语言知识及应用(共两节,满分45分) 第一节单项填空(共15小题,每小题1分,满分15分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 ---_________,could you tell me which is Miss Li's office? ---The third door on the right. A.Excuse me B.I'm sorry C.Please help me. D.May I ask you a question