[ 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:
Vocabulary and Grammar › View_____ I see Tom and Jerry, I always feel interested because the cartoon is so exciting.
A. Whatever frequency
B. No matter what times
C. However many
D. No matter how many times
Tenses › View
The telephone _____ by someone called Bell.
A. was invented
B. has invented
C. had invented
D. invented
E. would invent
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