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

游客2024-06-29  11

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。
转载请注明原文地址:https://tihaiku.com/zcyy/3655538.html
最新回复(0)