Убрать скобки, употребляя нужное слово 1.the talker (can, must) remember that conversation (must, should) serve a purpose. 2. we frequently (may, have to) use refence book and encyclopaedias where we (must, can) find information we need at the moment. we (cannot, neednot), of course, read reference books from cover to cover. 3.writers do not always express things directly so that you (to have, to may) think carefully to see what thay mean. 4. readeing a book (need, should) be a conversation between you and the author. 5. to achieve progress in any subject we (may, must) discuss things. 6.it (can, must, may) be born in mind that somr people are afraid jf having time to thing time to think, so they go to the movies, watch television, ect, because they (should, can) think of nothing better to go. 7, when we are introduced to new people we(shold, need) try to appear friendly.

1. must, should
2. have to, can, needn't
3. have to
4. should
5. must
6. must, can
7. should

Modern olympic games are the largest international complex sports competitions held every four years under the auspices of the international olympic committee. the medal won at the olympics is considered one of the highest achievements in sports. the tradition of the olympic games, which existed in ancient greece, originated as part of a religious cult. the games were held from 776 bc. e. 393 year n. e., all was held 293 olympics in olympia, which was considered a sacred place among the greeks. from olympia came the name of the games. the modern olympic games were revived at the end of the 19th century by french public figure pierre de coubertin. the olympics, also known as the summer olympics, have been held every four years since 1896, with the exception of the years that came during world wars. in 1924, the winter olympics were instituted, which were originally held in the same year as the summer. however, since 1994, the time of the winter olympics has been shifted by two years relative to the time of the summer games.

His advice is quite useful. It is worth following.
Why are your clothes so dirty?
Who is to blame that this information was not sent in time?
Though the news was rather sad, he pulled himself together and continued working.
Your son is making good progress.  But I don't feel like praising him yet.
Where is the money? I've put it into your bag.
The information sent by you turned out to be quite reliable. It helped us a lot in our work.
I am looking forward to hearing/having news from you.  It is always very interesting.