[ 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:
Gerunds and Infinitives › ViewI couldn’t help ………………… .
A. laughing
B. to laugh
Grammar › View
My phone is out of order, _____ i s a real nuisance.
A. when
B. what
C. which
D. where
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
