Booklet Pages 43-45 : More Practice 1 . Complete the sentences below with a conditional form of the verb : First , Second , or Third Conditional . a . If we ( repair ) the flat tire on our jeep yesterday , we ( can , go ) on the safari trip this morning . b . According to the new transportation laws , unless you _ ( drive ) into the city in a car pool , you must use the slower traffic lane . c . If it ( not , be ) for the terrible air pollution , our city ( be ) a wonderful place to live . d . Last year , I went on a school trip to the Hula Valley Visitors' Center . I ( not , understand ) yesterday ' s lecture on the restoration project if I ( not , visit ) the Hula Valley last year . e . If city officials _ ( know ) that traffic jams would be a major problem , the construction of so many new highways ( not be , approve ) so easily last year . f . Fewer forest fires ( occur ) if campers and hikers _ ( be ) more careful about putting out their cooking fires . Moreover , many fires ( be ...
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