Помогите с временами
Mr. Brown ... for the first time two years ago.

a) registers. b) has registered. c) registered. d) would register.

So last year he ... .
a) registering. b) didn't register. c) didn't registered. d) was register.

His colleages also ask Mr. Brown why he has avoided ... for classes.
a) register. b) to register. c) registering. d) registered.

Mr. Brown ... for the first time two years ago.  c) registered.So last year he ... .  b) didn't register. His colleages also ask Mr. Brown why he has avoided ... for classes. . c) registering.