Ⅱ用所给单词的适当形式填空。 1.The teachers'office was cleaned (clean)by Lily just now. 2.Edison was a great inventor (invent),and he had lots of inventions (invent)in his lifetime. 3.It is often used in our daily (day)lives. 4.A stamp is used for sending (send)a letter. 5.At that time,the zipper wasn't used widely (wide). 导航页导航页 Ⅱ.用所给单词的适当形式填空。 1.The teachers’ office __________(clean) by Lily just now. 2.Edison was a great __________(invent), and he had lots of__________(invent)in his lifetime. 3.It is often used in our __________(day) lives. 4.A stamp is used for __________(send) a letter. 5.At that time,the zipper wasn’t used __________(wide). was cleaned inventor inventions daily sending widely