[ Grammar ]
I am really tired. I ……………….all night.
A. have worked
B. been working
Select your answer:
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Grammar - NounsModal Verbs in First ConditionalPast Perfect and Past Perfect ContinuousSimple Tenses in EnglishPast simple regular verbsPresent Continous TenseSimple TensesAdverbs, Modals, Preposition of timeConjunctions and TransitionsRelative - ConditionalOther quiz:
Grammar › Viewhe/she is an ox
A. a person is really big and strong
B. a person is a good farmer
C. a person likes to eat standing up
D. a person has many friends
Vocabulary & Grammar › View
What is olive oil?
A. a spice
B. a drink
C. a cooking ingredient