把下列句子变成被动语态:People use stamps for sending letters.
把下列句子变成被动语态:People use stamps for sending letters.
Stamps______(use) for sending letters before.But now people
把下列句子变成被动语态.
把下列句子变成被动语态,
一、把下列句子变成被动语态.
把下列句子变成被动语态:
把下列句子变成被动语态
Stamps are used for sending letters.对sending letters提问
People use knives for cutting things.把下列句子变为被动句
小学英语练习题把下列句子变成被动语态1.We often use a recorder in our Engkush c
高一英语:把下列句子变成被动语态
将下列句子变成被动语态形式.