Your friend looks exhausted. You ask, ‘What have you been doing?’ Why is the present perfect continuous the best tense here?
A. To ask about a single completed action in the past.
B. To ask about a future plan.
C. To ask about a habit or routine.
D. To ask about a recent, continuous activity that has a result in the present (being tired).

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Grammar and Passive VoiceArticles with SubstancesMixed ConditionalAdverb of MannersModal Auxiliary VerbsOffering HelpQuantifiers & Modals of ObligationPresent Simple ProgressiveVerb 3 formsAdjectivesOther quiz:
Prepositions › ViewMany animals are … danger.
A. by
B. in
C. for
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Use the correct article: ‘He wants to be ____ engineer.’ (a/an)
A. an
B. one engineer
C. the engineer
D. a engineer
Grammar › ViewWhat is the missing word? Fourteen, _____, twelve, eleven.
A. Ten
B. Thirteen
C. Fifteen
D. Sixteen
E. Nine
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Which sentence uses “your” correctly?
A. You’re going to love this movie.
B. Your book is on the table.
C. Your the best friend ever.
D. You’re car is parked outside.
