1. Timing can be ________ crucial when you're considering launching a new online marketing campaign.

2. I've clocked ________ about an additional 20 hours this week in overtime pay.

3. It's an amazing system so that at whatever time of day you can always get a response as the staff are there ________ the clock.

4. You have to turn this from left to right in other words clock ________ .

5. This supermarket is trying to ________ young shoppers by offering fashionable clothes.

6. An effective customer support system should be ________ as the nerve centre of all company communciation.

7. One of the indicators of success in any business is how ________ types of communication channels they use.

8. You must try and hurry up because my patience is ________ out.

9. Following some recent research our engineers ________ that our index system has scope for fast improvement.

10. How long do you think it will take ________ we'll be in a position to implement the changes to our distribution system?