Question

II.
I think you
learn English
a) spend
b) should
c) don't
III.
He
take a bad mark.
a) mustn't
b) have to
c) should​

Answer 1

II.
I think you should learn English
III.
He mustn’t take a bad mark

Answer 2

II . c) я думаю ты не учишь английский
III. a) он не должен получить плохую оценку