1.时间状语从句
①One Friday, we were packing to leave for a weekend away ______my daughter heard cries for help.
A. after B. while C. since D. when
②If a lot of people say a film is not good, I won’t bother to see it, or I’ll wait _______ it comes out on DVD.
A. whether B. after C. though D. until
③Please call my secretary to arrange a meeting this afternoon, or ______ it is convenient to you.
