6617 - Intermediate\Upper-Intermediate Test:6 - When she arrived, I was pretty fed up, because I _______ since eight o’clock.

When she arrived, I was pretty fed up, because I _______ since
eight o’clock.
had waited
had been waiting
have waited
have been waiting
Fiverr 2021 English Level Tests
Intermediate Grammar Exercises
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Elementary Grammar Exercises A1