北京的援建工人一到什邡就开始了工作。
The workers from Beijing started working as soon as they arrived in Shifang.
北京的援建工人一到什邡就开始工作了。
The workers from Beijing started working ____ they arrived in Shifang.
北京的援建工人一到什邡就开始了工作。
The workers from Beijing stated working they arrived in Shifang.
北京的援建工人一到什邡就开始了工作。
The workers from Beijing stated working they arrived in Shifang.
应用推荐