We haven't heard from David since he left Shanghai.[对划线部分提问] since he left Shanghai[画线]

来源：学生作业帮助网编辑：六六作业网时间：2024/07/05 13:57:04

Wehaven''theardfromDavidsinceheleftShanghai.[对划线部分提问]sinceheleftShanghai[画线]Wehaven''theardfromDavidsi

We haven't heard from David since he left Shanghai.[对划线部分提问] since he left Shanghai[画线]
We haven't heard from David since he left Shanghai.[对划线部分提问] since he left Shanghai[画线]

We haven't heard from David since he left Shanghai.[对划线部分提问] since he left Shanghai[画线]
How long have you heard from David since he leave shanghai?