[ Phrasal Verb ]
Vehicles also account _____ air pollution in the cities.
A. on
B. at
C. for
D. in

Random Topics:
Articles & PrepositionActive-Passive VoicesCommunicative GrammarTenses and StructuresPassive VoicesNouns, Articles, DeterminersGrammar and IdiomsPresent Perfect: for/sinceGrammar - NounsPast ModalsOther quiz:
Subject Verb Agreement › ViewThe Earth (move, moves) around the sun.
A. move
B. moves
C. moving
D. moved
Future - will / going to / present continuous › View
Look out! That plant pot ______ on your head.
A. is going to fall
B. will fall
