Помогите, пожалуйста, с английским.
Fill in the gaps with the most appropriate relative adverbs.

a) The morning...........you came to me was wonderful.

b) The café............we went last Friday is really nice.

c) This is the place...........I can be alone.

d) Tell me the reason............you are smiling.

e) The department store............you work as a shop assistant gets a lot of customers every day.

f) Could you explain me the choice.............you study this subject.​