Переделайте в пассивный 1. no one has seen him anywhere this week. 2. somebody has invited her to the party. 3. they have done all the exercises in written form. 4. they had done everything before we came. 5. i thought they had already sent the letter. 6. evidently somebody had informed him of the news before they announced it. 7. they are constructing some new metro lines now. 8. wait a little. they are exаmining the last student there. 9. they are discussing this question now. 10. we could not use the tape-recorder, they were repairing it. 11. when i switched on the radio they were broadcasting a very interesting programme. 12. they have not yet told him about it. 13. the branches of the tree hid her face. 14. i know her family. her brother charles has taken me there more than once. 15. i am sure your presents will please them. 16. they informed me that they 12had seen you in oxford street.

1.is seen;2.is invited;3.are done;4.are done;5.am sent;6.is informed;7.are construsted;8.are examined...

1.He hasn't been seen 2.She has been invited by somebody 3.All exercises have been done by them 4.Everything had been been done 5.The letter had been already sent 6.He had been informed 7.Some new metro lines are being constructed 8.The last student is being examined 9.This question is being discussed 10.Tape recorder couldn't be used,it was repaired 11.Very interesting program was broadcasted 12.he haven't been told 13.She was hit 14.I was taken 15.They will be pleased 16.I was informed

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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