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

I will come to meet Mr. Pike and tell him about your problems if you didn’t solvethem A B C D yourself.

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I will come to meet Mr. Pike and tell him about your problems if you didn’t solvethem

               A                                                              B                           C                 D

yourself.

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Giải thích

Chọn đáp án D