[ Grammar ]
Do you know what is the cause __________ pollution?
A. of
B. in
C. on
D. for
Select your answer:
Random Topics:
Grammar Error Correction (Simple Present Tense)Contractions and ConjunctionsNo Excuse Words / Conjunction SOPassive Voice of TensesIrregular AdjectivesVerb and PrepositionUse of Prepositions or ConjunctionsFigurative Language VocabularyEs and SOther quiz:
Grammar › View_____time do we need to be at the airport?
A. Which
B. What
C. Whose
D. Whom
Past Tense and Perfect Tense › View
The dog is ____ in the floor.
A. Dancing
B. Dance
C. Dances
D. Dancer