NO SOONER _____ THE LIBRARY THAN IT STARTED RAINING.A. I HAD LEFT...

18. - DE THI THU 10 GHKI 2020
Tiếng Anh DE THI THU 10 GHKI 2020

18. No sooner _____ the library than it started raining.

A. I had left B. I left C. had I left D. I’m leaving