PHẦN 2: VOCABULARY & GRAMMAR (35 câu) Câu 6 Only when the teacher ______ the room _____

PHẦN 2: VOCABULARY & GRAMMAR (35 câu) Câu 6 Only when the teacher ______ the room ______ talking.

A. enters – do the students stop

B. entered – did the students stop

C. enters – the students stop

D. entered – the students stopped

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