Question

4.  [2014 •山东卷]I don't really like the author,   I have to admit his books are very exciting.

A. although    B. unless

C. until       D. once

Answer 1

4.    A考查连词。句意：尽管我不得不承认他的书很令人兴奋， 但是我真的不喜欢这个作者。although尽管；unless除非； until直到……为止；once—旦。根据句意可知选A项。