英语共有_____个字母,有_____个元音字母,有_____个辅音字母,半元音字母有_____个。

In the word “down”, the underlined part is pronounced as______.

    --Could you please ______ so much noise?

I’m Jack Brown. Brown is my ____________ name.

英语字母共有　　　个，其中元音字母有　　　个。