Thw knife___we cut the bread is very sharp.为什么不能用with that?

Thw knife___we cut the bread is very sharp.为什么不能用with that? Thw knife___we cut the bread is very sharp.为什么不能用that或which? 英语选择题The knife___we cut the bread is very sharp. The knife __he uesd to cut the bread is very sharp.A.with wh The knife ------we cut bread is very sharp.A.with it B.for w the knife __he cut the bread is very sharp 1、The knife we cut the bread is very sharp.A．which B．with C． The knife ____she often uses to cut bread is very sharp. 定语从句练习1、The knife we used to cut the bread is very sharp.A．w The knife is very sharp.we often use it t cut bread.用定语从句的形式 The knife _____we used to cut things is very sharp. The man with that you talked is my friend 为什么不能用that