[ Vocabulary ]
widespread sources of air pollution
A. point source
B. nonpoint source
C. ozone
D. conservation
Select your answer:
Random Topics:
Adjectives & PrepositionPresent and Future TensesObject PronounGerund Subject or ObjectTOEICModalVerb Forms and PrepositionsVerb TensesGrammar - FutureCountable - UncountableOther quiz:
Grammar › ViewJason hates ________ in his class because he was bullied and no one helped him.
A. something
B. no one
C. someone
D. everyone
Grammar › View
If he ___ more time, he ___ decorating the baby’s room before she was born.
A. has/ will have finished
B. had/ would finish
C. had had/ would have finished
D. had had/ would finish