How come...?

025. How come...?
怎么会……?

[句型解析]
此句型意思为“怎么会呢? 为什么? 怎么回事?”，可单独使用，也可接分句作宾语，要求解释或说明理由。

[实例]
1. You forgot to bring your homework again. How come?
你又忘记带作业来了。怎么回事？
2. How come your little sister is so angry?
你妹妹怎么这么生气呀？
3. How come we were not invited to the party?
为什么没有请我们参加晚会？

[实战练习]
A: Are you going to your sister’s wedding?
你要去参加你姐姐的婚礼吗？
B: I decided not to go.
我决定不去了。
A: How come you’re not going?
你怎么不去了呢？
B: Because I’m afraid that if I go I’ll catch the bouquet of flowers and then I’ll have to get married.
因为我怕如果我抓到了新娘抛起的花束，我就得结婚。
A: Don’t be silly. Just make sure you don’t catch it.
别傻了。故意别抓嘛。
B: Hey, that’s a good idea. I never thought of that.
嗨，好主意。我都没想到。