1. The subway system in Madrid was very easy for us to figure out.

2.
We wanted to continue enjoying ourselves at the amusement park, but we had run out of money!

3.
I showed Cristina the map, but she could not see the landmarks clearly.

4.
When we entered the prehistoric underground cavern, we were all stunned and shocked!
a.
No ver tres en un burro
b.
Ser pan comido
c.
Estar sin blanca
d.
Quedarse de piedra