Fill in : out of, up with, off, back, on :
1. Keep ………. the latest on home security systems to make sure your house is protected.
2. Ask your children to keep …….. the kitchen while you are cooking .
3. Keep ……….. wet floors, as they are quite slippery.
4. If a small fire starts in the kitchen or other part of the house tell children to keep ……. .
5. Keep ……….. reminding everyone in the family to lock all doors.

1. A lot of marketing research institutes carry out telephone surveys. They ring people at home and ask them questions. 2. A Focus group is a small discussion group, led by a who asks detailed questions to get qualitative information. 3. Mystery shopping surveys are often carried out in-store to assess the level of service quality and cleanliness. 4. A Package test is designed to find out what customers think about packaging, and a Taste test is to find out what they think about the flavour of a product. 5. A marketing research institute may prepare a lengthy mail survey, which it posts to consumers at their homes. 6. These self-administered questionnaires are filled by the respondents.

I wonder when they will return. 2. You will immediately recognize Tom as soon as you see him. 3. If you meet Lena and Kolya, ask them to hurry. 4. It will be thrilled when you meet there. 5. If you will read in low light, you screw up your eyes. 6. I'll tell him the news, as soon as he comes here. 7. Wait here until the light turns green. 6. I do not remember when they return. 9. If it is late we will leave without him. 10. Lift will not rise until you press the button. 11. If you do not leave immediately, you opozdaete train. 12. I will give you this book, when you want. 13. You will not know the English language. until you start to work hard. 14. I do not know when we'll meet again. 15. I'll come to you before ot- ezlom. 16. As soon as I get home, I'll write to you necessarily. 17. The plane did not take off until the fog clears. 18. When it becomes dark, we will light the light.