[ Tenses ]
They had been walking for the last 30 minutes.
A. Present Continuous
B. Past Perfect Continuous
C. Present Perfect Continuous
D. Past Perfect
Select your answer:

Random Topics:
Present Simple Positive and NegativeMiscellaneous Grammar UsagesDefinite pronouns (Subject, Object, Reflexive)Mixed TensesPast and Perfect TensesContrast Linking WordsPresent, Past and Future TenseGerund NounAdverbs, Infinitives, Definite ArticlePresent Simple with Adverbs of FrequencyOther quiz:
Vocabulary › ViewShe spends hours alone in her room and feels very ______.
A. lonely
B. convenient
C. educational
D. similar
Grammar › View
_______________ bring our books tomorrow?
A. Do we have to
B. Have we to
C. Do we must
