[基础知识•夯实] ⅰ.单词拼写根据汉语注释写出下列单词的正确形式。 1. we need to search for someone________(可靠的)to do the work. 2. look up into the sky, and then down, at the earth________(在……下)your feet. 3. you may point out our________(缺点), no matter when. 4. but joe's a ________(固执的)man who won't listen to reason. 5. the old man_____