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THE EXERCISES IN OUR CLASSROOM WHEN THE FIRE ALARM
THE EXERCISES IN OUR CLASSROOM WHEN THE FIRE ALARM
ENGLISH 9 BAI TAP TRAC NGHIEM NANG CAO
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Đáp án tham khảo
34. We... the exercises in our classroom when the fire alarm ...
a. are doing/ rang b. were doing/ rang c. were doing/ ring d. were doing/ was ringing
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34.
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ENGLISH 9 BAI TAP TRAC NGHIEM NANG CAO