[ Present Perfect and Past Tenses ]
Why is the present perfect continuous used in the sentence: “She has been working on this project all day”?
A. To emphasize a temporary action.
B. To describe a permanent fact.
C. To indicate a completed action.
D. To show an action before another event.

Random Topics:
Modal Auxiliaries and Similar ExpressionsAdverbial Concession ClausesModal, Causative Verb & Elliptical StructureNoun PhrasesGrammar MistakesPast and Present ContinuousVerb PatternsPreposition of PlacePerfect and Past TensesComparative - SuperlativeOther quiz:
Grammar › View___ your tents by the time the rain started?
A. Did you put up
B. Had you put up
C. Had you been putting up
Vocabulary › View
Manga comics ………………………………. male or female characters.
A. portray
B. interpret
C. incorporate
D. feature
Interrogative Pronouns & Adverbs › View_____ is responsible for this project? Anna.
A. Who
B. Whom
C. Which
Adjective › View
I’m _____ that Paul got accepted to Harvard with his low SAT score.
a.amazed
b.amazing