英语句子语法讲解
问题描述：
英语句子语法讲解
however scientists still wonder whether cloning will help or harm us and where it is leading us
答
这句话是半句话,由however引导的让步状语从句,从句中：
and 连接了分别由whether和where引导的两个宾语从句,做wonder的宾语.