I'm looking ---some clothes-----my mother.How do I look----t

I'm looking _for__some clothes_for____my mother.How do I look_at___this dress?Would you like to try
再问： try后面是"_____another pair? We have many things____sale. Tony and Guna are going shopping____Star Supermarket.
再答： "_on____another pair? We have many things_for___sale. Tony and Guna are going shopping_at___Star Supermarket