questions about the homeworks of the 3rd week

1) Why must you choose the option 2 in ex.16 nr.1 pag 203

2)Why must you choose the option 2 in ex 16 nr 3 pag 203

3) why must you choose the option WE WILL GO in ex 17 nr 3 pag 203

4)why must we choose the option SHE WORKS in ex 18 nr 2 pag 203

5) why must you choose IS GOING TO INTRODUCE in ex 22 nr 4 pag 205

6)why must you choose the option IS GOING TO HAPPEN in ex 28 nr1 p 207

MBELTRAMINI