Part 3

People who live at high altitudes must ______________ so that they can breathe more easily with less oxygen.

• adapt

• local dish

• ancestors

• plant based diet

A ______________ that you must try in Peru is ceviche. It is made with seafood.

• subway

• local dish

• altitude

• diversity

The Inca civilization started as a ______________ tribe. They moved around a lot.

• subway

• plant based diet

• nomadic

• local dish

Many ancient civilizations had to eat _______________ because they didn’t have refrigerators to keep things fresh.

• adapt

• ancestors

• altitude

• preserved food

I have been studying English _______ 2020.

• for

• since

I have played soccer _______ I was a child.

• since

• for

I have been waiting here _______ half an hour.

• for

• since

archaeologists

• people who study math

• people who study the past by looking at old

  buildings and objects

altitude

• the number of people who live in a city

• how high up a city or mountain is

ancient

• very old

• beautiful