被动语态 ( ) a new library ( ) in our school last year?A is,builtB wa_英语解答

被动语态 ( ) a new library ( ) in our school last year?
A is,built
B was,built
C does build
D did build
选什么为什么求详解

人气：481 ℃　时间：2019-10-29 06:25:32

解答

应该选B 被动语态的结构是be动词加动词的过去分词
而题里出现了last year,是过去时的词,所有用was,而不是is