Question

将下列句子翻译成英文:①你到教室时，他们已经扫好地了吗？②他正在玩手机，这时他妈妈走了进来。③没等我阻止他们，他们就已经

Answer 1

1. Had they finished cleaning the classroom when you got there？

2. He was playing with his mobile phone when his mother came in.