问题
选择题
Jim asked Ling Feng his pet dog while he was away.
A．not to forget to look after
B．not to forget looking after
C．don’t forget to look after
D．don’t forget looking after
答案
答案：A
题目分析：动词不定式的否定式一般是在不定式符号to前面加否定词not，故选A。
点评：不定式在句子中可以做主语，宾语，表语等句子成分，表示具体的将要进行的动作，其否定形式一般是在不定式符号to前面加否定词not。