Nội dung bài học
4.
A B C D
5.
A B C D
6.
A B C D
7.
A B C D
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4. C
5. C
6. A
7. C
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LISTENING
Listening: 15 minutes
0/4
4.
A B C D
5.
A B C D
6.
A B C D
7.
A B C D
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4. C
5. C
6. A
7. C
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