My wife's flight had just landed when I arrived at the airport. She....................... gone for three weeks.

I have not gone to Dubai ................................ May last year.

Before going to university, I didn't know that psychology………for more than 150 years.

I asked her if she .................... skydiving when she was in Dubai.

In which sentence is all CAPITALIZATION correct?

Cathy’s flying from Moscow to Paris… ............... Prague. She has a three-hour stopover in Prague.