在公文标题中，除法规、规章名称加书名号外，一般不用（）
A．逗号
B．句号
C．标点符号
D．破折号
参考答案：C
驾驶人违反交通运输管理法规发生重大事故后，逃逸或者有其他特别恶劣情节的，处7年以上有期徒刑。
He _____ his parents that he has failed in the exam.
A．dares not tell
B．dares not telling
C．dare not tell
D．dares not to tell
He _____ his parents that he has failed in the exam.