I am taking ASL and also double checked by reading through the list of classifiers on lifeprint.com, a website started by Dr. Bill Vicars, a Deaf professor.
I'm not 100% sure, but if I were taking a test, I would be confident in these answers.
"David / staying a few days in San José Question 2 with 1 blank Laura / not leaving too late Question 3 with 1 blank 1 blank Cecilia / be careful crossing the streets Question 6 with 1 blank Simón / learn to dance in Costa Rica."