Did you return Fred’s call?—I didn’t need to because I’ll see him tomorrow.

问题描述:

Did you return Fred’s call?—I didn’t need to because I’ll see him tomorrow.
问下为什么这样可以,need to 后面的宾语呢?

need to后面的宾语省略了.这个道理很好理解,在汉语里也一样,别人问你给谁某人回电话了吗?你只会说“没有”,而没必要说“没有回电话”.