6. By the time they (get) ___________ to the station, the train (leave) __________. A. got/ left B. had got/ left C. got/ had left D. got/ was leaving
2 câu trả lời
6. By the time they (get) ___________ to the station, the train (leave) __________.
A. got/ left
B. had got/ left
C. got/ had left
D. got/ was leaving
had left
Giải thích : dấu hiệu của thì quá khứ hoàn thành : By the time + Vpast ; S + Had + Vpp
6. By the time they (get) ___________ to the station, the train (leave) __________.
A. got/ left
B. had got/ left
C. got/ had left(THÌ QUÁ HOÀN THÀNH)
D. got/ was leaving
THÌ QUÁ KHỨ ĐƠN
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