[ Tenses and Sentence Completion ]
By the time we arrived, they had already left.
A. no correction needed
B. “left” should be “leave”
C. “had left” should be “leave”
D. “had already leave” should be “left”

Random Topics:
Essential and Nonessential ClausesPast Simple TenseProgressive TenseLinking WordsModal Verbs for PossibilityPlaces in TownOpinion / AgreementPrepositions and AdverbsGrammar : can, could and be able toOn, At, ByOther quiz:
Grammar › View____ playing football with Ben today.
A. I’m
B. I
C. I do
First Conditional & Future Tenses › View
We use the First Conditional to talk about…
A. an imaginary situation
B. a possible present event and its possible future result
C. a present event and its real result
Grammar › ViewArmando and Juan ___ like to play tennis.
a. do
b. doing
c. does
d. don’t
Vocabulary › View
A new research ____________ has made it possible to analyze multiple sources.
A. data
B. community
C. estimate
D. paradigm
