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UNIT 49I. PRONUNCIATION
UNIT 49I. PRONUNCIATION
3500 CAU TRAC NGHIEM ON TAP AV THCS
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Đáp án tham khảo
18. Do you know what ...?
a. is he thinking about
b. does he think about
c. he is thinking about
d. did he think about
c
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18.
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3500 CAU TRAC NGHIEM ON TAP AV THCS