[ Definite & Indefinite Pronoun & Conditionals ]
If people used cars less, the air … much cleaner.
A. would be
B. would have been
C. will be
D. was

Random Topics:
State Verbs and Action VerbsTOEFLPersonal Pronouns and VerbPassive Voice - Past SimplePresent/Future/Past Simple/Present PerfectDescribing WordsConjunctive AdverbSimple Present - Negative & InterrogativeWH Questions and Simple Past TenseIf/Unless - Conditional type 1Other quiz:
Adverbs of Frequency › ViewWhen something happens about 70% of the time we use the adverb:
A. sometimes
B. never
C. often
D. seldom
Grammar › View
Adam hasn’t been to China _______.
A. just
B. already
C. yet
D. for
Will vs be going to › ViewWe don’t have any milk, so I … go to the store to buy some.
A. will be
B. will not
C. will
Grammar › View
Gratify is what form of grammar?
A. Adjective
B. Verb
C. Noun
D. Adverb
