<p>Although the Phoenicians were amoung the best navigators of their time, as shipbiolders they were not equal of the Egyptians.</p>
<p>The economy suffered through a recession that was equal, if not worse than, the recession that had developed a decade before.</p>
<p>The underlined parts are wrong. Can someone tell me what the correct form of the first one should be?
For the second one, I think it should be "was equal to", am I right?</p>
<p>Another 2...
In a world that the rate of technological and social change accelerates frighteningly, change itself often seems to be the only constant.
"In a world that" is wrong. Why?</p>
<p>George Thornton Emmons was one of the handful of ethographers who comitted their life to studying the Tlingit Culture of the Northwest Coast.</p>
<p>"Their life" is the right answer, but I'm just wondering is there really nothing wrong with "commiting someone's life to studying"?</p>