[ Grammar ]
There are dozens of TV channels, ____________operate 24 hours a day.
A. some
B. some of which
C. some of those
D. some of them
Select your answer:

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Grammar › ViewIdentify the part of speech of the underlined word.
Shoes for those on the go.
___
A. Noun
B. Pronoun
C. Verb
D. Adverb
E. Adjective
Grammar › View
Kelly ………………………in the office.
A. work
B. works
C. do work
D. doesn’t
