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

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Wish, Unless, If sentenceFormal & Informal WordsZero and First ConditionalsVOCAB & GRAMMARConditional ClauseFamily VocabularyGerund and InfinitivesPresent tense AffirmativeSentence Structure and Pronoun AntecedentGrammar - either...or, neither...norOther quiz:
Tenses and Articles › ViewIt took me _____ hour to finish the homework.
A. a
B. an
C. the
D. –
Grammar › View
A: Mrs. Parkinson has had three accidents in the last month.
B: She ________ a very careful driver, then.
A. can’t be
B. shouldn’t be
C. must be
D. may be
For vs Since › ViewThey have not met each other _______ they graduated from university.
A. since
B. for
Vocabulary › View
Which word best describes an action that is likely to upset or anger others?
A. Tactful
B. Inflammatory
C. Laudatory
D. Deferential
