根据短文内容，判断下列句子正误。正确的用“A”表示，不正确的用“B 表示。
Class 9 had a great time on the school trip. They went to Blue Water Aquarium for the day. First they
visited the Visitors' Center and watched a movie about sharks. Then they watched a dolphin show. After
that, they went to the Outdoor Pool and saw a big octopus. After lunch, they went to the Gift Shop and
bought lots of gifts. Finally, tired but happy, they took the bus back to school. At the end of the day, the
science teacher was very happy because the class monitor cleaned the bus after the trip.
(     ) 1. The students had a terrible school trip.
(     ) 2. They saw an octopus in the Outdoor Pool.
(     ) 3. They took the subway back to school.
(     ) 4. The students watched a movie about dolphins.
(     ) 5. The class monitor cleaned the bus.

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