... Exercise 15 1- to to to 5- to to 8- 9- 10 to 11 to 12 to 13 (to) 14- 15- 16-, to 17 to 18 to 19- 20- 21 to 22 to 23- 24 to 25- 26 to 27-. (to) 28- 29- 30 to 31 - 32 to 33 to 34 35 to 36Exercise ... been allowed to Exercise 24 has to must has to have to must have to had to has to had to 10 have to 11 must 12 will have to/ have to 13 must 14 has to 15 must 16 have to 1.7 have to 18 must 19 ... enough to slip 11 too ill to eat 12 too wide to get through 13 strong enough to dance on 14 too terrified to move 15 big enough to harm 16 strong enough to keep 17 too deep to wade 18 too lazy to...