Unit 7 Know Our World Lesson 42 North America课时练习（含答案）2022-2023学年英语冀教版八年级下册

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Lesson 42 North America
一、单选题
1．About ________ years ago, there were no humans here.
A．two millions B．two millions of C．two million D．millions of
2．How do you read the number 6,425,200 correctly
A．Six million four hundred and twenty-five thousand two hundred.
B．Six millions four hundreds and twenty...