Question

Jim asked Ling Feng        his pet dog while he was away.

1. A.
   not to forget to look after
2. B.
   not to forget looking after
3. C.
   don’t forget to look after
4. D.
   don’t forget looking after

Answer 1

A
试题分析：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。
考点：不定式
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。