题目内容
【题目】In order to let their children receive a better education, parents often have （struggle）and for quite a long time.
【答案】to struggle
【解析】句意：为了让孩子们接受更好的教育，父母们常常要努力奋斗相当长的时间。have to do固定短语，“必须做”，因此答案为to struggle。
练习册系列答案
相关题目
题目内容
【题目】In order to let their children receive a better education, parents often have （struggle）and for quite a long time.
【答案】to struggle
【解析】句意：为了让孩子们接受更好的教育，父母们常常要努力奋斗相当长的时间。have to do固定短语，“必须做”，因此答案为to struggle。