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

Random Topics:
Linking WordsFirst ConditionalVocabularyNoun Phrases and Verb PhrasesModal Verbs of Deduction and SpeculationGrammar and EssayInterjection & Prepositional PhrasesPresent Simple QuestionsProverbsTenses of VerbsOther quiz:
Tenses › ViewTina ________ in love with the singer she saw at the party yesterday.
A. falls
B. fall
C. falling
D. fell
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Is the group of words a sentence or a fragment?
The flowers in the garden.
A. sentence
B. fragment
Grammar › ViewWhich of the following word is incorrect?
A. sustain
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D. sustainability
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We asked the bus driver to ………. us off outside our hotel.
A. leave
B. stop
C. drop
D. set
