Нужно вставить don't/doesn't have to или mustn't It's is raining. We.................... water the trees
You.................. ask him guestions when he is working. He can make a mistake
Children....................play a football in the classroom
When my little sister is very tried mother............................ read bed-time stories for her
We............................ get visas to travel to the Ukraina
Pupils............................ walk at the lesson

You............................... give me an answer immediately. I can wait.
It's Sunday today. The children.................... get up at 7 o clock
I................... take a bus. I live near the school
He is better today He...................... Stay in bad