Basically，these attitudes amount to a belief ________ leisure can and should be put to good use

Never before _______ so rapidly developing as it is today． 

Anxiety can ________ with children ’s performance at school.

The oceans do not so much divide the world _______ unite it

The vehicle was traveling at speeds ________ 90 miles per hour.

The farming methods have been ________ improved with the invention of the new machine.

Fish is ________ and expensive at this time of the year in this area.

Since we have a focused subject ，we should not talk ________.

Please write a report _______ the above subjects are to be covered.

It has been found that a strong ________ help overcome the effects of distraction.