[ Tenses ]
Multiple Choice: Which sentence correctly uses the past perfect continuous tense?
A. He had been studying for hours before he took a break.
B. He was studying for hours before he took a break.
C. He had studied for hours before he takes a break.

Random Topics:
Relative PronounsComparative AdverbPast Perfect SimpleGrammar (was, were, could, could not)Present Simple & Present Progressive TenseAdverbs and PhrasesComparisonSimilesGerund, Participle, Infinitive, or AppositivePast Simple VerbsOther quiz:
Grammar › ViewThe law states that factories …….. dump industrial waste.
A. needn’t
B. ought not to
C. don’t have to
D. mustn’t
Past Tense & Present Perfect Tense › View
I went to Korea ___
A. Last week
B. Tomorrow
C. Next month
D. Now
Vocabulary › ViewIn some settings, people choose to speak English _______ of their native tongue.
A. instead
B. because
C. in addition
D. replace
Past Simple & Past Perfect › View
I ______ (make) dinner when I got home.
A. made
B. was making
