Which is the correct way to write the following sentence?
I gave up on understanding calculus for it is impossibly difficult.
_
A. I gave up on understanding calculus, for it is impossibly difficult.
B. I gave up on understanding calculus, for, it is impossibly difficult.
C. I gave up on understanding calculus for it is impossibly difficult.
D. I gave up on understanding calculus. For it is impossibly difficult.

Random Topics:
Simple and Compound SentencesGrammar and VocabulariesContinuous TensesConditionalRelative Clauses beginning with PrepositionsGrammar - QuantiflierConditional Sentences Type I, IIGrammar - NounsCountable & Noncountable NounsCoordinating ConjunctionOther quiz:
Grammar › ViewShe’s much better after her operation. She’ll _____ walk again soon
A. can
B. be able to
C. both are possible
Future Tenses › View
It is cold in here. I __________________ close the windows.
A. am going to
B. going to
C. will to
D. will
Grammar › Viewit means to leave out of a group or take away
A. accept
B. except
Homophones › View
Have you seen her ______ toy yet?
A. New
B. Knew
