关于被动语态My homework______(do) already.A new bridge_______(build) n_英语解答

关于被动语态
My homework______(do) already.
A new bridge_______(build) now.
该如何填写?并且麻烦说一下理由,为什么要这么写

人气：249 ℃　时间：2020-07-09 20:18:45

解答

has been done
首先因为有already,所以用完成时态.
然后my homework 物做宾语,加上它是单数,所以用被动has been done.
is being built
首先因为有now 用现在进行时
然后bridge 做主语,需要用被动.
所以是is being built