Which statement best completes the timeline? The Khoisan settle in southern Africa
Bantu-speaking people settle in southern Africa.
? Great Zimbabwe grows into a huge and wealthy city.
Europeans being to colonize southern Africa

The Khoisan settle in southern Africa

Explanation:

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the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

a because they still enjoy the fire.

explanation: