他们是否去参加那个讲座没关系(It doesn't matter)

问题描述:

他们是否去参加那个讲座没关系(It doesn't matter)

it doesn't matter whether they will attend the lecture or not

It doesn't matter whether they takes a course of lectures?

It doesn't matter if he attends the lecture.

I t dosen't matter if they go to the lecture