2
Professor Davies told the students that
A there are the same num ber of houses available in suburban areas as 20 years ago
B more fam ilies have moved to cities over the last two decades
C the range of options fo r fam ilies is less wide nowadays
3 Suzanne agrees w ith Helen because she thinks that the students should show that
A they have researched more w idely than the reading list
B they have done more research than fo r th e ir last presentation
C they have done more research than necessary
i
Grammar tip: To switch between positive and negative com parisons you can change
! the com parative stru ctu re : a the verb, b the nouns or c the adjective, fo r example.-
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