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

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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
