[ Subject Verb Agreement ]
Some-and perhaps as many as half-of all high school students _____ gingivitis.
A. has
B. have
Random Topics:
Contrastive ConjunctionsGrammar and PunctuationPhrasal VerbsVerb, Object, PrepositionExclamationGrammar of Conjunctions and PrepotitionsEnglish ArticlePresent Tenses and Connectorsa, an, the, zero articleConditional Sentences Type 1Other quiz:
Past Tenses › ViewIt …, so the ground … wet.
A. had been raining, was
B. was raining, was
C. rained, was
D. had rained, had been
Grammar › View
True or False: ‘Most’ is used when comparing three or more things.
A. True
B. False
C. Sometimes
D. Never
Mixed General Quiz › ViewThis pie is too ___.
a. suite
b. sweet
Grammar › View
What is the negative form of ‘Open your book’?
A. Don’t open your book
B. No open your book
C. Open not your book
D. Not open your book