I was on the point of crossing the road _______ the car accident happened.—So you are a witness

When he heard a cry for help, he ran out as _________ as he could.

What did the teacher say to you just now—She asked _________.

【2011江苏卷,34】——I left my handbag on the train, but luckily someone gave it to a railway official.——How unbelievable to get it back! I mean, someone ______ it.

Who is the student on the playground —- Andy. _____ often takes a walk with______.