1) until
2) of
3) to; from
4) to
1) If Tommy could he cope with this problem, he would not have turned to us for help
Our school is a boarding school is a big happy family , and so on Friday I didn't want to leave friends . You've seen a tenth were friends with first graders ? And here are friends ! And the boys and the girls and get along well together . We have six meals per day , comfortable bedrooms , each class has its own class leader . We can engage in different activities : theatre , music , computer , you can swim in the pool or enjoy the Playground in football . Here almost every day discos . We receive good knowledge , and we are happy"
Ответ: life - lives
twenty - twentieth
introduce - introduction
speak - speaking
silence - silent(2)
act - actors
particular - particularly
true - the true
entertain - entertainment