[ Grammar & Vocabulary ]
Tourists should not leave any ______ behind after visiting a national park.
A. pollutants
B. waste
C. fertilizer
D. awareness
Select your answer:
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Grammar › ViewShe put her slippers UNDER the bed.
A. adjective
B. preposition
C. adverb
Grammar › View
Identify the error: The dog wagged their tail happily.
A. The dogs wagged its tail happily.
B. The dog wagged its tail happily.
C. The dog wagged their tails happily.
D. The dog wags its tail happily.