Insert the appropriate articles where necessary. 1… .door is locked. 2. Have you … telephone? 3… . telephone is out of order. 4. It isdark…

Insert the appropriate articles where necessary. 1… .door is locked. 2. Have you … telephone? 3… . telephone is out of order. 4. It isdark on… landing. 5. Do you like … dogs? 6. Don't tease… dog. 7. Never try to stroke (гладить) … dog if you don't know it. 8… .fountain-pen won't write. 9. Have you got… fountain-pens on sale. 10. Where can I have… coat made to order (назаказ). 11. In this store they always have a wide choice in … coats and… suits. 13… . suits are ready-made. 14. Where is… key? 15. How many flats are there in… house? 16. How much are… dinner-sets (сервиз)? How many articles (приборов) are there in… set? 17. How much are… dinner-sets today?