[ Grammar ]
PUNCTUATION: Are the comma(s) in the right place(s) in the following sentence (if any)?
In theory, the dark smoke from the burning oil wells absorbs sunlight, and the surrounding air is heated.
A. Yes
B. No
Select your answer:

Random Topics:
Subjective and Objective PronounTake or PutTransitive or Intransitive VerbsContinuous TensesConditional SentenceSuperlative & Comparative AdverbsWishes and TensesModals with Perfect InfinitiveAdjectives and PrepositionsPresent Perfect or Past Simple TenseOther quiz:
Quantifiers › ViewAny is used with…
A. Uncountable nouns
B. Countable nouns (plural)
C. Countable nouns (plural) and uncountable nouns
D. Countable nouns (singular)
Grammar › View
Choose the prepositional phrase.
Walter knew his cat’s life would change after the accident.
A. his cat’s life would change
B. Walter knew his cat’s life
C. would change after the accid
D. after the accident
