All of us still remember the terrible earthquake that______Tangshan twenty years ago.

Sheldon could have defeated Howard in the match, but he _______ too careless at the last minute. 

Some passengers were ______ in the traffic accident and taken to the nearest hospital.

In class the teacher ___ the finance project in simple but vivid language to make it easier for us to understand.

(2014·安徽皖南八校三联)A positive attitude，________with willingness to seek appropriate help and exercising solid study habits，will do much to determine how well you do in your studies.