they needn′t to do sth 还是 they needn′t do sth?
they needn′t to do sth 还是 they needn′t do sth?
need to do sth,need do sth.needn`t do sth和don`t need有什么不同!
don't have to do sth 是否等于don't need to do sth 和needn't do st
Needn't + do还是+ to do
needn't do sth与don't need to do可以通用吗?
请用"regret to do." "needn't have done." "remind sb of sth."各造
needn't have done should have done remide sb to do sth 造一个句子
needn't sth.还是doesn't need sth.
You ()leave,do you?But they must leave now.A.needn't to B.do
needn't 后面加to do 还是 do?
they needn’t 什么died
don’t waste time to do sth还是do sth