用needn't to或didn't have to或didn't need填空：Then the frogs thought that they ( ) go any further.

来源：学生作业帮助网编辑：作业帮时间：2024/04/28 05:25:48

用needn't to或didn't have to或didn't need填空：Then the frogs thought that they ( ) go any further.
用needn't to或didn't have to或didn't need填空：Then the frogs thought that they ( ) go any further.

用needn't to或didn't have to或didn't need填空：Then the frogs thought that they ( ) go any further.
needn't表示need此时为情态动词,后面直接加动词原形不用加to,所以错误
didn't need此时need为实义动词,后面应该加to,所以错误
本空应该填didn't have to意为“不必要”

didn't have to