2. 外语
  3. The employees are asked to avoid (use) ________ a cell phone when they are operating heavy machinery.

The employees are asked to avoid (use) ________ a cell phone when they are operating heavy machinery.

admin2022-09-06  21
问题 The employees are asked to avoid  (use)  ________ a cell phone when they are operating heavy  machinery.
选项
答案using
解析 分析句子结构可知，空格前是动词avoid，空格后是名词词组，根据固定搭配avoid doing sth．“避免做某事”可知，空格处应填入use对应的动名词形式using。
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