[ Sentence Structure and Punctuation ]
Identify the sentence that correctly uses commas to set off a non-essential clause.
A. My brother, who is a doctor, lives in New York.
B. My brother who is a doctor lives in New York.
C. My brother who is a doctor, lives in New York.
D. My brother, who is a doctor lives in New York.

Random Topics:
Gerunds & Infinitives + VocabularyFuture Tense VerbVerb Tenses and Sentence StructurePresent Perfect: for/sinceNouns as AdjectivesKinds of SentencesComparative AdverbVerb BEParticiple Clauses & Cleft SentencesPassive with ModalsOther quiz:
Prepositions of Time › ViewUse the appropriate preposition of time in this sentence: The meeting is scheduled ___ 10 AM.
A. on
B. in
C. by
D. at
Grammar › View
While ____ for my passport, I found these old photographs
A. Looked
B. Look
C. Have looked
D. Looking
He is fantastic ___ working in a team to deal with problems.
A. in
B. at
C. on
D. up
Coordinate Conjunction › View
The guy is a contractor, _______ he knows the construction business.
A. So
B. And
C. But
