Question

急求一道英语题的答案，谢谢

急求一道英语题的答案，谢谢求答案以及解析

Answer 1

1 was washed
2 were scaled
3 be painted
4 was needed
5 was used
6 be balanced
7 was finished
8 was done

追答

全部考查的都是被动语态

追问

被动语态是什么

Answer 2

Silly carried on his painstaking work in perseverance.