[ 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:
Subject Verb Agreement › ViewShwimps _____ been keeping pearls for generations.
A. have
B. has
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………your uncle ……………..as a builder in London?
A. Does/work
B. Do/work
C. Does/work
D. Do/works
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
