2. 职称英语
  3. To tell you the truth, it’s very hard for us to help them get rid of Internet ad

To tell you the truth, it’s very hard for us to help them get rid of Internet ad

游客2024-06-23  5
问题 To tell you the truth, it’s very hard for us to help them get rid of Internet addiction. But we ______on this problem trying to improve the situation.
选项 A、worked
B、had worked
C、are working
D、had been working
答案 C
解析 根据语境意义，我们可知这个动作正在进行中，因此用现在进行时。
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