[ Grammar ]
I am very tired ………. I have been working all day.
A. And
B. Because
C. Or
D. But

Random Topics:
Past ModalsComparatives, Superlatives, and ModalsDistinguishing Future TensesArticles & Compound NounsModals of ProbabilityInfinitiveVerb FormTenses (Present, Past, Future Forms)Although / DespiteIdiomsOther quiz:
Passive Voice › ViewThe new product _______ by the FDA.
A. is now examined
B. is now examining
C. is now been examined
D. is now being examined
Prepositional Phrases › View
He seems to be _________ today.
A. in a bad mood
B. in cold blood
C. in touch
Modals › ViewYou … tell me your secret if you don’t want to.
A. have not to
B. not have to
C. don’t have to
WH- Question Words › View
_______ asks about animals, places, or things.
A. what
B. who
C. whose
D. where
E. when
