Найди и исправь ошибки.

a) It is cold last winter.

b) Is you a student?

c) Mr. Black is not old, is it?

d) My brother can to ride his bike very well.​

a) It was cold last winter.

b) Are you a student?

c)Mr.Black is old, isn't it?

d)My brother can ride on his bike very well.

It WAS cold last winter.ARE you a student? Mr Black IS old, IS NOT it? My brother can ride his bike very well.(без to)