Identify the tense used in the following sentence: The students will have been preparing for the exam for two hours.
A. Present perfect continuous tense
B. Past perfect tense
C. Past perfect continuous tense
D. Future perfect continuous tense

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Present Simple and Modal VerbsPreposition of PlaceArticles and QuantifiersSubordinating ConjunctionPassive Voice - Present Simple and Past SimpleGrammar - PunctuationSentence CompletionComparativesQuantifiers & Modal VerbsComparatives, Superlatives, and ModalsOther quiz:
Grammar › ViewIt doesn’t matter where we study. We can _____ meet here _____ at your house.
A. either – or
B. both – and
C. neither – nor
D. not only – but also
Word Form & Verb Tense › View
_____ there is no shortage of fresh water, wastewater is treated and turned into drinking water
A. ensure
B. to ensure
C. ensured
D. ensuring
Perfect Verb Tenses › ViewIdentify the tense of the following sentence: “I have read that book.”
A. Present Perfect
B. Past Perfect
C. Future Perfect
D. Simple Present
Grammar › View
It’s ___________ (safe) to travel by train than by car.
A. dangerous
B. risky
C. safe
D. unsafe
