1. I've been studying Italian ________ I was five years old.

2. The police located the art work which ________ been stolen from the gallery.

3. I ________ forgotten to set my alarm clock, so I was late for my train.

4. Can you tell the difference ________ butter and margarine?

5. ________ you do much sightseeing when you were on vacation in Madrid?

6. This morning I received a cheque in the mail ________ one thousand dollars.

7. Have you got any photos ________ your girlfriend?

8. The employees ________ informed last night that their company was going into receivership.

9. ________ is measured by the Richter Scale?

10. I like to go to bed ________ midnight on Saturdays.