第一句：The editor at once sent the journalist a fax instructing him to find out the exact number of steps and the height of the wall.
第二句：He sent yet another fax informing the journalist that if he did not reply soon he would be fired.
第一句的instructing和第二句的informing引导的现在分词各作什么状语？
參考答案:两句中的instructing 与informing在各自的句子中的成分一致，均表示send fax 的目的，因此是目的状语