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12. Randomly ①calling into students ②helps ensure that
they ③come to class prepared ④to engage in a
discussion of the blog-writing examples.

①calling into ②helps ensure ③come to class ④to engage in

17. Hegel ①equated existence with pure thought and ②
thus transformed existence into an abstract possibility
③which founded expression ④only within a logical
unity of concepts.

①equated existence with

② thus transformed

③which founded

④only within

18. ①Except for those books and articles that ②
deliberately took out to shock, most liberals took the
older view ③into consideration and tried their best ④to
assuage the conservatives.

①Except for ② deliberately took out to ③into consideration

④to assuage

19. ①With this in mind, it should not come as a surprise
that, ②nevertheless advertising has been around for a
long time, ③it wasn't until television came along that
advertising ④really had any significance in the
baseball world.

①With this in mind,

②nevertheless

③it wasn't until

④really had any significance

20. ①Nowhere has the "follies of fashion" ②been more
evident than ③in willingness of people to damage their
health ④for the sake of appearing fashionable.

①Nowhere has

②been more evident
③in willingness of

④for the sake of

24. The post office ①said that the union’s strike action
had ②significantly cut mail volume, ③costing it about
100 million dollars, and ④will have prompted the
lockout.

①said that

②significantly cut

③costing it

④will have prompted

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