问题描述：
from practice we can learn can't be learned from books
from practice we can learn ____can't be learned from books
A who B that C which D what
last sunday i send him some flowers and cards as an e______of thanks .
能告诉为什么吗
from practice we can learn ____can't be learned from books
A who B that C which D what
last sunday i send him some flowers and cards as an e______of thanks .
能告诉为什么吗
问题解答：
我来补答展开全文阅读