His mother was very patient and didn’t give up        to help him.

  • A.to try
  • B.try
  • C.trying
  • D.to trying

答案

正确答案:C

知识点:动词短语  非谓语动词  

解题思路

give up doing sth.表示“放弃做某事;半途而废”,所以答案选C。

易错点

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