[ Present Perfect Simple and Continuous ]
I started work at 6am. It’s 6pm now, but I am not finished.
A. I have been working for 12 hours.
B. I worked at 6am.

Random Topics:
SuperlativesPresent Simple ProgressiveVocabulary, Adjective & PrepositionPronouns ( Interrogative )Language Features: Reflective ArticleGrammar PhrasesAll, Both, Neither, None, EitherPresent Perfect Simple and ContinuousPrepositions & Modal VerbsSimple Past TenseOther quiz:
Grammar › ViewI can’t run in these new shoes because they aren’t ___.
A. competition
B. comfortable
C. terrible
Modal Verbs › View
Which modal verb is used to express possibility in the sentence:
“They ________ have already left for the airport.”
A. must
B. can’t
C. may
D. should
