____upset when I failed the exam.

____upset when I failed the exam.
A.be B.used to C.use to be D.used to be
____work in Microsoft?
A.Dis you use to B.Did you used to
C.Do you used to D.Do you use to
Where ____live beforeyou came here?
A.did you use to B.did you used to
C.use he to D.he used to
I am ____of spiders
A.terrified B.terror C.terrifying D.terrify
It____that he has been ill for a long time.
A.seem B.looks C.look D.seems
It ____us three days to finish the work.
A.spent B.used C took D takes
The girl used to be afraid of____ alone.
My father used to ____ ma to concerts.