Cover of Focus 3 (2nd edition) - Workbook

Exercise 1

6.4 - Reading·Focus 3 (2nd edition) - Workbook

Câu hỏi

Read about Jack Andraka's invention. Why is the article called A Lot of Light Bulbs?

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Exercise 2 →

More exercises in 6.4 - Reading

Ex. 2
Ex. 3
Ex. 4
Ex. 5
Ex. 6
Ex. 7