A.
Eva: I'm going to Peru on vacation. Where should I go?
Simone: You should go to Arequipa. It's beautiful. And you shouldn't miss Cuzco. It's amazing!
B.
Cory: I want to buy a CD. Where should I buy it?
Ben: You shouldn't buy it at the mall. It's too expensive.
You should buy it online. It's cheaper.