select the most appropriate option to fill in each blank.
The Maasais live in (1)______ very beautiful part of Africa. They live on the wide plains in southern and northern Kenya and northern Tanzania. The area (2)______ of miles of rolling grass land, on which you can find thorny bushes and rocky hills. The people move from one place to another according to the seasons, looking for grasses and other plants (3)______ which their cattle can graze. They have no permanent home. When they want to settle in a place for some time, they build a kind of camp called a ‘Manyatta’, where a few families live for a (4)______ weeks or months. Then they move on again, taking their few belongings with them, and burning the old ‘Manyatta’ to the ground.