[ Grammar ]
– Why are you out of breath?
– Because ______________up the stairs from the bottom floor.
A. I’ve just run
B. I’ve just been running
C. I’ve just ran

Random Topics:
too / enoughAbilityPresent Perfect vs Past SimpleLexico and GrammarAdjective or AdverbArticles and DemonstrativesVerbal TensesDefinite and Indefinite ArticlesPast TensePresent or Past TensesOther quiz:
Modal Verbs › ViewYou ………. do the washing-up. I’ve already done it.
A. mustn’t
B. needn’t
C. don’t have to
D. couldn’t
Modal Verbs › View
There’s now no possibility that he will pass the driving test.
A. He might pass the driving test easily.
B. He needn’t pass the driving test.
C. He can pass the driving test easily.
D. He may not pass the driving test.
Grammar & Vocabulary › ViewPlease be quiet. The baby is ___.
A. slept
B. sleeping
C. sleeps
Present Perfect › View
George ___________ never eaten sushi.
A. have
B. has
C. been
D. did