硎怎么读音是什么意思:英语单项

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/09 06:25:19
The road is designed for only motor vehicles, so once _________,bicycles are not allowed to go along it.
A.opens
B.having opened
C.opening
D.opened

opened

so once (it is) opened省略了括号内的部分

D被动语态

d

A

d