Очень надо. Буду очень благодарна.

17.b

18.a

19.c

20.b

speaking

1.b

2.b

3.b

4.a

5.a

in 2100 all children won`t go to the school. they will study at home. in 2100 all people will be able to have free flight to the space. in 2100 all people will know 8 or 9 langueges. in 2100 all people will have robots.

1) didn`t wash-washed-помыл,didn`t dress-  dressed-одел,didn`t help-helped-,  didn`t play-played-поиграл,didn`t water-watered-намочил

  2) didn`t sit-sat-сел,  didn`t read-read-прочитал,didn`t see-saw-увидел,  didn`t do-did-сделал,  didn`t come-came-пришел.