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17.
A. Theyarefast-growing.
B. Theyarenottrust-worthly.
C. Theyareprofitable.
D. Theyaresetupbydepartmentstores.
18.
A. Johngaveeveryoneabigsurpriseyesterday.
B. Everyoneworecasuallyattheweddingparty.
C. Johndidnotreadthedressingcodeontheinvitationletter.
D. EveryoneexceptJohndressedformallyattheweddingparty.