求助一个汉译英！用现在进行表将来

the professor is going to give a class to them this afternoon

The professor is giving a lesson to them this afternoon.

The university professor is going to give a class to them this afternoon.

The doctor is going to teach them this afternoon

The professor is going to give them a class in the afternoon.
今天下午, 是将来时间, 要用进行时, 就要用到be going to, 现在时表示将来.

THE FROFESSOR WILL BE GIVING A LESSION TO THEM THIS AFTERNOON