Complete the passage below with the correct forms of the given words and phrases in the column (two are extra).

Last summer holiday, Colin and Toby spent a few weeks traveling in Africa. The two British brothers chose Africa as their tourist _____ because they considered it to be a place of mystery and________. They made sure that they ______ everything well before they started their adventure.
Their first extraordinary experience was riding camels through the Sahara Desert. In the desert, they were more than pleased to see the _____ stars on clear nights. Then, they traveled down the River Nile and experienced the exciting white-water rafting in the ___ water. Afterwards, they went on a trip to see wild animals in Kenya. During the weeks of walking in Kenya, Colin and Toby felt lucky to have prepared a large backpack _____ to carry the supplies of water and food. As they were very curious to see the wild animals up close, they brought guns with them_____ the animals came too close. Then, they moved on to climb Mount Kilimanjaro and enjoyed the splendid scenery there.
___, Colin and Toby’s adventure in Africa lasted for about a month. Tired but delighted, they knew that they would bear it in mind forever.