PRESENT PERFECT VS. PAST SIMPLE

How _________ the burglar _________ (break) in without anybody hearing him?

The burglar ______ (go) into the front room, opened all the cupboards and _______ (take) a valuable collection of CDs.

The car wasn't badly damaged, but we ___________ (decide) to turn around and go home.

She __________ (leave) the door unlocked when she came back home.

I __________ (work) at the restaurant since I moved here.

She _________ (know) him since she was a child.

British women ________ (overtake) British men in the Internet usage for 10 years. Experts are trying to explain this.

We ___________ (just/receive) your message to us all about the seminar on Friday.

__________ your teacher __________ (do) a lot of presentations before.

A few weeks ago, a woman ___________ (call) to report a robbery at her house.