3-2reading ⅰ.单词拼写 1.the company hired a________(侦探) to investigate the accident. 2.she was ________(非常害怕的) of being killed in an air raid. 3.the policeman gave an ________(描述) of the traffic accident. 4.i need a piece of string to ________(绑) the magazines up. 5.the place promises a good ________(遮蔽物) from rain. 6.our professor is not too capable to s______ this difficult problem.