[ Grammar ]
________ pollution is the increase of temperature caused by human activity.
A. Noise
B. Water
C. Thermal
D. Radioactive
Select your answer:
Random Topics:
Relative ClauseGerunds and ModalsModalsModals and PrepositionPast or Present Verb TenseAdverb of FrequencyModal AuxiliariesTenses - Present and PastHave as verb and auxiliaryMix-TensesOther quiz:
Past Modals › ViewI can’t believe you met Steve Jobs in person. That _______ been amazing!
A. could have
B. should have
C. must have
D. might have
Noun Phrases › View
What period of time does this refer to?
these days
A. general past time
B. specific past time
C. present