Вставьте соответствующие предлоги в следующие предложения:
1) We are sorry to inform you that, ..our opinion, your employee was rude..clients..the evening.
2) According . . the warranty, we are entitled..a refund or replacement.
3) Please forward a full refund including the cost….shipping which is indicated.the receipt.
4) I am writing to express dissatisfaction…service….the shopping center located.(address).
5) The product is being returned today ...mail…your service centre lo-cated….(address).
6) I would appreciate your looking….the situation.