Ответ:
1.the lecture was very boring so because of that i fell asleep.
2.it was such well publicised concert that the tickets sold out within days.
3.the wording of the document is so complicated as to being incomprehensible.
4.it was too datk to find my lens
5.it wasn't as interesting exhibition as my friends claimed
I am writing a letter
We are having a lunch
Helen is going home
The boys are playing a book
You are doing your homework