[ Subject Verb Agreement ]
One of the benefits _____ clean teeth.
A. is
B. are

Random Topics:
Passive ModalsGrammar Double Object VerbsModal Verb in Passive VoiceComplex SentencesModal Verbs and ConditionalsFuture - Will and Be going toModals and TensesPast ModalsAdverb Clauses of TimeUsed toOther quiz:
Grammar › ViewThe London Eye is one o f______landmarks in Britain.
A. the best known
B. the well-known
C. the better known
Tenses › View
I’m totally stressed out now, but this time next week I _________a mojito on a beach in Ibiza.
A. will have had
B. am having
C. will have
D. will be having
Present Perfect and Past Simple › View‘Never’ is a signal word for the ..
A. past simple
B. present perfect
Mixed General Quiz › View
Pick up ___ of whole wheat bread at the bakery.
a. half a pound
b. a box
c. a twelve-pak
d. a loaf
