[ Vocab Checking ]
Air pollution exerts an adverse effect on people’s health, especially the … system
A. digestive
B. nervous
C. respiratory
D. cardiovascular
Select your answer:
Random Topics:
Correlative ConjunctionEveryday vs. Every Day Too / Very / SoPronoun & Present SimplePast Perfect Simple & ContinuousVerbs & Phrasal VerbsVerb-ing or to VerbPresent Perfect Simple & Present Perfect ContinuousWill, Be going to, Present Continuous
Other quiz:
Degrees of Comparison › ViewOur tree is the ________ on our street.
A. taller
B. tallest
Vocabulary › View
openly and boldly refusing to obey someone in authority
A. defiant
B. appease
C. deceive
D. nurture
How to use : Read the question carefully, then select one of the answers button.