Read the passage below and fill in each blank with the most appropriate option
Last December, Mwangi and his classmates ___1___ a trip to the Maasai Mara. They had saved money for the whole term to pay ___2___ the bus and the entrance fees. The journey was long, ___3___ nobody complained because everyone was excited to see wild animals for the first time.
When they arrived, their guide ___4___ them to stay quiet inside the van. Suddenly, a herd of elephants ___5___ slowly across the open plain. The students ___6___ many photographs and asked the guide several questions. He explained that elephants are ___7___ than most other animals on the savannah and that they protect their young very fiercely.
On the way home, the tired but happy learners ___8___ stories about everything they had seen. Mwangi promised himself that he ___9___ return one day as a wildlife researcher. He had finally understood ___10___ important it is to protect Kenya's natural heritage.