<p>In a world that the rate of technological and social change accelerates frighteningly, change itself often seems to be the only constant</p>
<p>The book says "in a world that" is wrong,but i dont see how, someone explain please.</p>
<p>idiom error...</p>
<p>You cannot say "In a world that" it should be "In a world where" since the word world indicates a location.</p>
<p>Mercenary is correct.</p>