他们说他们帮他装上铝的侧板，并为他买了一张车票；但当他转身道谢的时候，他们却已经不见了。

They said they installed aluminium sidings, and bought a bus ticket for him; but when he turned round to say goodbye, they had gone.

youdao

他们说他们帮他装上铝的侧板，并为他买了一张车票；但当他转身道谢的时候，他们却已经不见了。

They said they installed aluminium sidings, and bought a bus ticket for him; but when he turned round to say goodbye, they had gone.

youdao