The boy made the same mistakes __________,which,of course,made his parents very angry[ ]

Most of the evidence was destroyed in the fire _____, it would be almost impossible to prove Jim guilty

______ has recently been done to improve the conditions of elementary schools, a great number of children are unable to go to school

You have to be accurate in this job, because a small mistake can make a big .

It was no surprise that an awfulaccident ____ occur the day when they were drunk