[ 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:
Gerunds and Tenses › View. Which sentence is in the present continuous?
A. She is cooking dinner right now.
B. She cooks dinner right now.
C. She cooking dinner right now.
D. She was cooking dinner right now.
Grammar › View
Common people only care about their own futures. However, great people think about ____________.
A. other
B. another
C. other’s
D. others’
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