correct modal verbs.
1) — It’s very hot in here. you open the window, please?
(should, could)
— Yes, of course.
2) — It’s cloudy today.
— Yes, it rain. (must, might)
3) — We are going to the river. Will you join us?
— Sorry, my parents and I visit my grandparents. (have to,
can)
4) — I have done my homework, Mum.
— OK, clean your room and you go for a walk. (must, may)
5) — you play basketball, Tim? (should, can)
— Not very well.
6) Don’t give the knife to the boy. He cut himself. (must, might)