1. B 2. B 3. A 4. A
The question is asking how one would react to a joke.. B. is a translation of "to laugh.
2. The islands off of the coast of Africa are called the Canary Islands
3. On wedding day, the job of the father is to keep the bride hidden from the groom until the father walks her down the isle.
4. fuegos artificiales means "fake fire", or fireworks.