上面解释不全面
If I need help, I will ask they for help也是错的
正确的应该是
If I need help, I will ask them for help
简洁的说就是
If I need , I will ask them for help
"if I need to help ,I will ask they for help "有什么地方错了,为什么?
"if I need to help ,I will ask they for help "有什么地方错了,为什么?
英语人气：602 ℃时间：2019-08-19 05:02:32
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