Trắc nghiệm Chuyên đề 6: grammar (find the mistakes) có đáp án

My friend George, that arrived late, was not permittedto enter the class. A B C D

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My friend George, that arrived late, was not permittedto enter the class.

                                       A                 B                        C            D

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Giải thích

Chọn đáp án A => who