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немогу трудно оооооочччченньььь  тттррруууубнннооо

1)It is useless to do it
2)That for advantage (sense) to go there
3)He has decided to continue to take driving lessons
4)He always carries a gun
5)What function of this element
6)He has specially told you about it
7)They work using new computer technologies
8)It is necessary to develop science and technology