Write the sentences with the apostrophe ( ' ) in the correct place. 1. these are susans keys. these are susan's keys. 2. i like your husbands haircut. i like your husband's haircut. 3. those are robert and sarahs children. 4. there is a teachers meeting on mondays. 5. are the childrens coats in the car? 6. the mens clothes are upstairs. 7. alices mother is very ill. 8. we have a months holiday in the summer. 9. the students exams start next week. 10. this is my mothers dress.

1.Susan's

2.husband's

3.Robert and Sarah's

4.teachers'

5.children's

6.men's

7.Alice's

8.month's

9.students'

10.mother's

Dear, Alex,

I was so glad to get your letter. I am looking forward to seeing you here. YOu know you are always welcome. 
As for your questions I would like to offer you some places. Do you like music? We will have a concert next month. The band is awesome. They play classic mixed with rock mostly. Are you up to? 
In the evening you can walk a little, see the sightseeing because we have a lot. Different museums are here for you to enjoy as well. 
We usually have quite cold wweather in January. However, this year it seems it will be quite warm. You should bring some warm clothes anyway. It is always useful here. Take a coat and warm trousers. That will be quite enough. 
Wait! boots! dont forget about them. 

I hope to see you soon.

Best regards,
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11. If it was late, I would have to go home. 12. If I was expecting my friend to come, I wouldn't go to the cinema with you . 13. If mathematics was his favourite subject and he worked a lot at it, he would always get top marks in it. 14. If I had no dictionary, I wouldn't translate the article yesterday . 15. If the night was pitch-dark, we would lose our way . 16. If the box was so heavy that I couldn't carry it, I would take a taxi.

1. If the travellers had no camera with them, they would not take photos of the beautiful scenery . 2. If there was no sugar left, we would have to go to the shop late in the evening. 3. if this house was very nice and comfortable, but it was situated close to a chemical plant and the air around was very bad, the house wouldn't be very good for living. 4. If he was an excellent specialist but I was not acquainted with him, I wouldn't ask his advice. 5.. If you had a toothache, you wouldn't enjoy this merry evening party. 6. If you knew the material well enough but you were very absent-minded, you wouldn't always make many mistakes . 7. You did not ring me up, so I did not know you were in trouble. If you didn't ring me up, I wouldn't know you were in trouble. 8. If you left the child alone in the room, he would hurt himself.