杭州交通信息网软件配置管理规定:英语选择题
来源：百度文库 编辑：杭州交通信息网 时间：2024/05/08 04:28:16
It is necessary that he ____ these sentences out.
A) write B) writes C) has written D) wrote
请解释一下选项，谢谢！
A) write B) writes C) has written D) wrote
请解释一下选项，谢谢！
选a,
这种句型要是虚拟形式,选a也就是should write的省略
a ,虚拟语气should省略
A IT IS NESSARRY THAT 句型虚拟
B
一般的时态对应问题,不要考虑麻烦了.
B