A few days later ,a foreigner professor will come to our college....
I will show him around to the West Lake,what should I do....

Question

A few days later ,a foreigner professor will come to our college....
I will show him around to the West Lake,what should I do....

Answer

Just show him around West Lake. That's all you need to do.

Answer

Correction: A few days later , a foreign professor came to our college.... [ past tense] or

In a  few days , a foreign professor will come to our college....[ future tense]
"I will show him around "and I suggest that you take him to all your favourite tourist places. Just be polite and friendly and you will be fine.