What comes next in the sequence: B, E, H, K, __?

Let's convert the given alphabet letters into their corresponding numerical positions in the English alphabet ($A=1,B=2,C=3,\dots$):
* $\text{B}=2$
* $\text{E}=5$
* $\text{H}=8$
* $\text{K}=11$

Let's find the difference between consecutive terms:

* $5-2=+3$
* $8-5=+3$
* $11-8=+3$

The pattern shows a constant addition of $+3$ to the position of the previous letter. Following this logic, the numerical position of the next letter will be:

$$\text{Next position}=11+3=14$$

The $14^{\text{th}}$ letter of the English alphabet is $\text{N}$. Therefore, $\text{N}$ comes next in the sequence.