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Xie lei's 1. course is helping her to get used to the 2.requirements of a Western university. "I remember the first 3. I did for my tutor." she told me. I found an article on the Internet 4. seemed to have exactly the information I needed. So I made a summary of the article, 5. my draft and handed the essay in.

In the 18th century California was 6.by Spain.Spanish soldiers first arrived in South America in the early 16th century,when they fought against the native people and took their land.Two centuries later,the Spanish 7.in most parts of South America and along the northwest coast of 8.we now call the United States.

Cloning plants is 9.while cloning animals is very complicated.It is a difficult task to undertake.Many10.to clone mammals failed.

高二英语单词拼写中等难度题

少年,再来一题如何?
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