{01}--- Did your boss phone you again the next day? --- No, it was a fortnight ____ he gave me a second call.
A.that
B.when
C.before
D.since
解析:略 本题选C。 {02}The officials said the downward trend of A/H1N1 flu activity did not______ mean the worst was over. Flu activity might pick up next year.
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