[ Tenses ]
My father______ as a teacher for thirty years.
A. works
B. is working
C. worked
D. has worked

Random Topics:
Grammar on ConditionalsContrast Linking WordsPrepositions of TimeInfinitive FormsPast Continuous TenseObject PronounQuestion TagModal Verbs for Permission and ObligationWestern Europe CountriesAdjectives and DegreesOther quiz:
Subject Verb Agreement › ViewEither my sister or my parents _____ coming to the airport to pick me up.
A. is
B. are
Modal Verbs › View
In the context of obligation, which phrase is correct: ‘You ___ go to the shopping centre to buy a mobile phone.’?
A. don’t have to
B. mustn’t
C. should
D. might
Grammar › ViewTheir discussion quickly developed into a ______________ argument over who should receive the money.
A. HOT
B. BURNING
C. HEATED
D. SCORCHING
Preposition and Conjunction › View
I usually go home at four o’clock, … then I watch TV for an hour.
A. and
B. because
C. so