He knew the files could be of help to        took over the job.

The teacher assigned the task to the three boys and ________ did his share.

The manager believes prices will not rise by more than _____ four percent.

 It was hard for him to learn English in a family, in which _________ of the parents spoke the language. 

—— Few children are as bright as he is, and also, he works very hard. —— It’s no ＿＿＿＿＿ that he always gets the first place in any examination.