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English Pronunciation and Grammar Practice Test by Cao Khánh Linh is a document available to read on EtoBox.

- Scientists from Pfizer and BioNTech have announced a breakthrough in the fight against COVID-19 - their vaccine has a 90% success rate in protecting against the virus. - It will still be months before the vaccine is widely available to people. - The companies

Author

Cao Khánh Linh

Language

EN