[ Past Perfect Continuous Tense ]
When you … the room, we … the matter of our wages for 10 minutes.
- entered, had been discussing
- had been entering, discussed

Random Topics:
No Excuse Words / Conjunction SOused to, be used to, get used toPresent Simple Tense PassiveTenses and Word FormationTransportation VocabularyPresent Perfect Simple vs ContinuousVocabulary : Coming & GoingPast Simple and ContinuousTime and CalendarPast Simple VerbsOther quiz:
Grammar › ViewThe visitors __________ Mr. Chan’s class right now.
A. is observing
B. are observing
C. were observing
D. will be observing
Question Tag › View
Tina had hamburgers for lunch, __?
A. hadn’t she
B. hasn’t she
C. didn’t she
D. wasn’t she
Present Continuous › ViewMy kids (play) in the garden now.
A. is playing
B. are playing
C. play
Grammar › View
We can prevent global warming by ____________.
A. Reducing pollution in urban areas.
B. Reduce pollution in urban areas.
C. Reduction pollution in urban areas.
D. Reduced pollution in urban areas.
