Although the students had been working on the project for six weeks, their report was not ready by the due date.

虽然这群学生已经从事这件工作项目有六个星期，他们的工作报告仍无法准时交出。

youdao

Although the students had been working on the project for six weeks, their report was not ready by the due date.

虽然这群学生已经从事这件工作项目有六个星期，他们的工作报告仍无法准时交出。

youdao