[ Tenses ]
I’m tired. I _________ for 3 hours!
A. have studied
B. studied
C. have been studying
D. had been studying

Random Topics:
Essential and Nonessential ClausesGrammar RulesComparative AdverbsModal VerbsMust Vs Have toCompound AdjectivesComparatives - SuperlativeWould rather/ would prefer/ would likePast Perfect vs Past SimpleNoun / PronounOther quiz:
Time Clauses of Future › ViewAfter we _____________ dinner this evening, we’ll watch TV.
A. eats
B. eating
C. will eat
D. eat
Prepositions › View
I’ll have a bath _____ I go to work.
A. after
B. as soon as
C. before
D. while
Grammar › ViewI really plan to buy it but I never have ……………. money.
A. a lot of
B. enough
C. several
Grammar › View
Kaia________her sister after the destructive party.
A. sensored
B. censored
C. censured
