Differentiate between tenses: He was running vs. He has been running.
A. He was running indicates a completed action; He has been running indicates a past action.
B. He was running indicates a present action; He has been running indicates a future ongoing action.
C. He was running indicates a future action; He has been running indicates a completed action.
D. He was running indicates a past ongoing action; He has been running indicates an action that started in the past and continues to the present.

Random Topics:
Contractions and ConjunctionsCausative VerbA/AnVerb + InfinitiveAdverb Clauses of Timeand, so, but, becauseSimple and Past TensesArticles & PrepositionGrammar - QuantiflierSubordination ConjunctionsOther quiz:
Mixed General Quiz › ViewTwo Korean sports figures who ___ famous recently are Park Chan-Ho (baseball) and Pak Se-Ri (golf).
a. become
b. becoming
c. have become
Grammar › View
What meaning goes with the word prone?
A. Clearly expressed
B. Incline to
C. Feeling of worry or unease
D. Just and impartial action
Articles › ViewThe case is really heavy. Can you give me …hand?
A. –
B. a
C. the
D. an
Sentence Completion › View
After lunch, Alan took a short walk before returning to —– office.
A. him
B. he
C. his
D. himself
