英语高手快来啊 连词成句

I'm sure you can speak English well.
英语是专有名词，开头要大写，不然要扣分
还有，那个“m”有没有，如果没有我就不知道了

I'm sure you can speak English well.

I'm sure you can speak English well.（原文中，字母m没打出来)

I'm sure you can speak English very well