In Word order^x, Past simple^x

Hello all, I am applying to take a CELTA course and they gave me an application task to do before I can enter the program. I am having some difficulty with some parts and was wondering if some one would be willing to help me. I use msn messanger under hpainter24@hotmail.com feel free to add me...

Hi Andrei, No.2 has the correct word order but there is a mistake in the tense. There are two actions in the past but at different times, so we need to say: When the policemen came to the shop, the thieves had already disappeared. We use the past simple for the more recent event (came) , and...