[ Grammar for TOEFL ]
Only once have there been more excitement in this city about a sporting event.
A. Incorrect
B. Correct

Random Topics:
Present PerfectModals and InversionVerb and PrepositionCompound and Complex SentencesDeterminersGerunds and InfinitivesGrammar and Sentence CorrectionPresent simple & ContinuousAdverbs of Frequency & Simple Present TenseModal Verbs and Contrastive ConjunctionsOther quiz:
Simile, Metaphor or Personification › ViewAfter the three hour trail ride through the hills, Jimmy got off his horse and waddled like a duck.
A. Simile
B. Metaphor
C. Neither
Grammar › View
First conditional: If you _____ the popcorn too long, the kitchen _____ like burned popcorn.
A. cook … will smell
B. cook … smell
C. cooked … would smell
D. had cooked … would have smelled
Grammar and Vocabulary › ViewA Who _____ the match? B Arsenal. It was 3–0.
A. won
B. did win
C. was winning
Grammar › View
Valentine’s Day ___ on February 14th.
a. celebrates
b. had celebrated
c. is celebrated
d. celebrated
