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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
12. He ... in Vietnam since January 5.
a. has been
b. had been
c. was
d. have been
a
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12.
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3500 CAU TRAC NGHIEM ON TAP AV THCS