你上周末为什么买了一条连衣裙英语怎么说？完整句型教学

Why did you buy a dress last weekend?

Here's a more detailed sentence structure for teaching:

Last weekend, I bought a dress because [reason]. For instance, you could use the following complete sentence:

Last weekend, I bought a dress because I needed something new for a special event that was coming up. The dress was a beautiful shade of blue and I thought it would complement my skin tone perfectly. Additionally, it was a versatile piece that I could wear on various occasions, from casual outings to formal gatherings. The design was elegant, featuring delicate lace and a flowing skirt that added a touch of romance. I found it at a local boutique, and the salesperson was very helpful in guiding me to the right size and style. Overall, the decision to purchase the dress was prompted by the desire to update my wardrobe with something stylish and practical.