[ Grammar ]
Which sentence is correct?
A. She doesnt understand why she failed the test.
B. She doesn’t understand why she failed the test.
C. She does’nt understand why she failed the test.

Random Topics:
Perfect and Past TenseContinuous TensesTenses & PrepositionFrequency AdverbsQuantifiers & Modal VerbsComparative and SuperlativesPresent Continous TenseConjunctions and TransitionsLanguage Features: Reflective ArticleSimple Past ContinuosOther quiz:
Grammar › ViewYou ___ apologize for being late; it’s not a big problem.
A. need to
B. needn’t
C. must
D. should
Grammar › View
This summer I ___________ travel to Spain with my friends.
A. am going to
B. will
Grammar › ViewI waited for ___ hour just to get my order at the Jollibee.
A. a
B. the
C. an
If/Unless - Conditional type 1 › View
She must have graduated already, _______ she failed a class.
A. unless
B. if
C. both
