Giúp mình giải với ạ

Aion 15. Do you want sugar A. at aestion 16. Her brother lives A. by / at B. from B. at / in Question 17. The sports results are A. in B. on Question 18. They got married A. on Question 19. Vienna is A. at B. by Question 20. His office is A. by Question 22. We decided A. by Question 23 ...