Перевидите и определите тип придаточных предложений:
1) Everybody knows that education in the USSR as free of charge I shall let you know when he comes.
2) I consider it is very important to translate the text without a dictionary.
3) The books you spoke about are available in all bookshops.
4) The exercise I asked you about is rather difficult.
5) The information you sent us is of great importance.
6) We know he will keep his word.
7) There are many facts in his biography we still don't know.