[ Essential and Nonessential Clauses ]
Which of these needs to be offset by (surrounded by) commas?
A. Essential clauses, phrases
B. Nonessential clauses, phrases

Random Topics:
NounTenses and ArticlesLinkers and ConjunctionsModals and Present TensesSimple TenseIntermediateVerb PhrasesNouns & PronounsDemonstrative PronounAdjectives (-ed / -ing)Other quiz:
Tenses › ViewMy mom … (go) to a party at this moment.
A. go
B. goes
C. went
D. is going
Grammar › View
“The telephone rang after we had left the house.”
Which action happened first?
A. The telephone rang.
B. We left the house.
Prepositions › ViewAlthough Alex usually travels along, he has shared his experiences _____ his blog.
A. in
B. to
C. on
D. with
Tenses › View
What time _______ to work this morning?
A. did you get
B. are you getting
C. has you got
D. do you get
