[ Tenses ]
He ___ for hours before he finally took a break.
A. studied
B. had studied
C. had been studying
D. was studying

Random Topics:
Singular and Plural NounsCompound AdjectivesVerb Moods and Vague PronounsSentence Adverbs & Third ConditionalConjunctions & Cohesive DevicesPassive of Modal VerbsModals of Obligation & ProhibitionNarrative, Past TensesComparative and Superlative AdverbsPresent, Past, Present Perfect and ComparativeOther quiz:
Vocabulary and Grammar › ViewThe Japahese eat a lot of fish instead of meat ……… they stay more healthy
A. but
B. because
C. although
D. so
a, an, the, zero article › View
Please turn off ______ air – conditioner when you leave ______room
A. the- the
B. a- the
C. a – a
D. the – a
Grammar › ViewMike and Pete______ drink juice for lunch.
A. doesn’t
B. don’t
Vocabulary › View
EXPAND
A. INCREASE IN SIZE OR AMOUNT
B. SO GRADUAL AS TO NOT BECOME APPARENT FOR A LONG TIME
C. INSERTING OR ENTERING INTO A BODY PART
