Have you ever wondered why some of thesmartest students in your class sometimes ________ failing exams

The officials of the National Ministry of Information Industry advise people to limit the personal information they make about themselves online．

Our hearts sank at the news that a pipeline(输油管) ______in Qindao and 62 people couldn’t survive the disaster.

he final exams coming, Mark, the topstudent in our class, is not worried about Chinese, and _________ English

ure that if it came to that point, hewould do ________ is expected of him.