[ Grammar ]
I am really tired. I ……………….all night.
A. have worked
B. been working

Random Topics:
Verbs and Subject Verb AgreementVerbs and Possessive AdjectiveGrammar - Present Perfect with already, just, yetVerb PhraseFood VocabularyDirect Object and Indirect ObjectVerb AbilityNouns and QuantifiersDefinite pronouns (Subject, Object, Reflexive)A(n), the, no articleOther quiz:
Conditionals › ViewIf I won the lottery,I ……………….a new car.
A. will send
B. will arrive
C. will buy
D. would buy
Coordinating & Subordinating Conjunctions › View
Choose the best conjunction to complete this sentence.
Do we go to P.E. today, ___ do we go to P.E. tomorrow?
A. or
B. yet
C. but
D. because
Adjective and Adverb › ViewThe teacher finds me ….
A. secret
B. secretly
Grammar › View
She didn’t finish her homework ___ she was busy helping her mom.
A. because of
B. because
C. due to
D. for