[ Present Perfect Continuous ]
You have been running in circles ____ 30 minutes!
A. since
B. for

Random Topics:
Grammar: was/wereContinuous TensesFuture TensesActive & Passive VoiceArticleZero ConditionalAdjectiveModals and Past TensesConditionals Type IPoetry VocabularyOther quiz:
Past Tenses › ViewThe wind ____ (blow) and the city streets were empty. Everyone ___ (go) home.
A. blew – went
B. had blown – went
C. had been blowing – had gone
D. was blowing – was going
Conjunctions › View
Is this today’s newspaper ______ yesterday’s newspaper?
A. and
B. or
C. but
Tenses › ViewThe wind power plant ____ new turbines next year.
A. will install
B. installs
C. is installing
D. installed
Subject Verb Agreement › View
In the sentence “Neither the cat nor the dog ____ outside,” what is the correct verb to fill in the blank?
A. is
B. are
C. were
D. be
