问题描述:
新概念英语第三册第5课的一个语法问题
The editor at once sent the journalist a fax instructing him to find out the exact number of steps and height of the wall..instruting 为什么要用ing形式呢?
The editor at once sent the journalist a fax instructing him to find out the exact number of steps and height of the wall..instruting 为什么要用ing形式呢?
问题解答:
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