In which of the following sentences is all PUNCTUATION correct?

All members of my family ....... the pilgrimage to Makkah at least once in their lives.

My uncle told me ...... mathematics because it is very difficult.

I took a lot of notes while the Professor ….……

You can learn many different languages at university ............... , you can learn English, French, and Spanish.

Cathy said her teacher ... at 5:30, but she actually came at 6:30.