[ Grammar & Vocabulary ]
Wildfires release dangerous ______ into the air, affecting both people and animals.
A. pollutants
B. polluters
C. pollutions
D. pollutants

Random Topics:
To Infinitive or Bare InfinitivePast and Present Continuous tenseTime Clauses and ConjunctionsPresent Perfect Tense and Simple Past TenseTenses & Conditional SentenceAdverb Types and TensesGrammar - some / anyRegular and Irregular VerbsNumbersVerb to haveOther quiz:
Grammar › ViewWhich sentence uses the correct form of the verb?
A. He playing soccer every weekend.
B. He plays soccer every weekend.
C. He play soccer every weekend.
D. He played soccer every weekend.
Quantifiers › View
________________ apples in the bowl? Yes, there are some.
A. Is there
B. Are there
Past Simple, Present Perfect Tense › ViewSteven ________________ seven movies so far this month.
A. saw
B. will see
C. has seen
D. will have seen
Punctuation and Grammar › View
. Which sentence is correct?
A. Its going to rain tomorrow.
B. It’s going to rain tomorrow.
C. Its’ going to rain tomorrow.
D. It going to rain tomorrow.
