Вставьте модальный глагол(+)Полож. (-)Отриц.

They ____ speak Japanese.(+)

I ____read when I was 5. (+)

-I`ve got a headache.-You ____ go to the doctor.(+) 

 You ____ drop the litter in the streets.(-)

My shcool starts at 8 o`clock. I ____ get up at 7.(+)

You ____ pay when the tickets are free.(-) 

You ____ cheat in the classroom. You`ll get into trouble, you know.(-)
 
You ____ drink so many milkshakes  - you`ll turn green and enormously fat.(-)

A human ____ write letters, but a dog ____.(+/-)


Вопрос задания на аглийском:
Complete the sentences with the apporopriate form:
positive (+) or negative (-) of the modal verb:
can,must,should,have to.