"Oh,it is!" said Rabbit."Very uesful too,especially___you need help.横线上填什么单词?
问题描述:
"Oh,it is!" said Rabbit."Very uesful too,especially___you need help.横线上填什么单词?
答
when 状语从句
Rabbit说它也是非常有用的,尤其是当你需要帮助的时候