Ответ:

Объяснение:

1. They were surprised about finding the cheese. (ответ a.)

2. Charles Bridge and the TV Tower havent changed a lot. (ответ b)

3. It rained a lot on the second day, so we visited the art gallery to stay dry. (ответ a.)

4. The museum was very interesting but there were a lot of people and long queues. (ответ b.)

5. We went shopping because I wanted to get presents for my family. (ответ b.)