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_______ Jane’s way of studying chimps, our group are all going to visit them in the forest.

Many _______ of years later, the first extremely small plants began to appear on the surface of the water.

It is so wet there _____ the trees are extremely tall, some measuring over 90 meters.

Jane _____ these families of chimps for many years and helped people understand how much they behave like humans.

七彩教育網(wǎng)

______ is even more important is that the earth cooled down, water began to appear on its surface.

Thanks to Dr Yuan’s research, the UN has more tools in the battle to rid the world _____ hunger.

Only after her mother came to help her for the first few months ______ to begin her project.

Some people have the idea_____ you can cross Canada in less than five days.

These increased harvests _____ that 22% of the world’s people are fed from just 7% of the farmland in China.

______ a family of chimps wake up is our first activity of the day.