[ Grammar ]
I am really tired. I ……………….all night.
A. have worked
B. been working
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Adverbs of Time › ViewWhich adverb of time indicates an action that happened before now?
A. during
B. after
C. before
D. later
Grammar › View
The Burj Khalifa is __________ building in Dubai.
A. the most famous
B. the more famous
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