The father often buys his son English learning materials, ____at encouraging him to learn English. ...
2022-12-18 09:15:34 181次 2014届浙江宁海正学中学高二下学期第一次阶段性测试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The father often buys his son English learning
materials, ____at encouraging him to learn English.
A．aim B．aimed C．to aim D．aiming
本题链接：
