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ALEX IS BUSY _____ FOR HIS EXAMS. A. STUDYING B. S...
ALEX IS BUSY _____ FOR HIS EXAMS. A. STUDYING B. STUDIED C. TO...
KIEM TRA AV 12
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Câu 20. Alex is busy _____ for his exams.
A. studying
B. studied
C. to study
D. studies
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câu 20.
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KIEM TRA AV 12