英语语法：名词单复数变化，超市购物场景对话

场景：在超市购物时，两个朋友正在讨论购买水果的种类和数量。

A: Hey, let's start picking some fruits for the party tonight. What kinds of fruits do you think we should get? 嗨，我们开始为今晚的派对挑选些水果吧。你觉得我们应该买哪些水果？

B: Well, I think we should definitely get some apples, oranges, and bananas. They are all popular choices. 嗯，我觉得我们肯定要买些苹果、橙子和香蕉。它们都是很受欢迎的选择。

A: Great idea! How many apples should we buy? 太好了！我们应该买多少苹果呢？

B: Hmm, let's see. We're expecting around 20 guests, so I think we should buy at least 30 apples. 嗯，我们看看。我们预计会有大约20个客人，所以我觉得我们至少要买30个苹果。

A: Sounds good. And what about oranges? 听起来不错。那橙子呢？

B: I think we should get around 40 oranges. They are not only delicious but also healthy. 我觉得我们应该买大约40个橙子。它们不仅好吃，而且健康。

A: Alright. Lastly, what's your suggestion for bananas? 好的。最后，你对香蕉有什么建议吗？

B: Since bananas are smaller in size, I think we should buy around 50 of them. That should be enough. 因为香蕉的尺寸较小，我觉得我们应该买大约50个。那应该够了。

A: Okay, let's go grab the fruits now. Don't forget to check their quality before putting them in the cart. 好的，我们现在去拿水果吧。别忘了在放进购物车之前检查它们的质量。

B: Absolutely. I'll make sure to choose the freshest ones. 当然。我会确保选择最新鲜的。

A: Perfect. Let's get going then. 太好了。我们开始吧。