问题
选择题
Between the two parts of the concert is an interval, ______ the audience can buy ice-cream.
A．when
B．where
C．that
D．which
答案
答案：A
本题考查定语从句。the audience 为主语，can buy为谓语，ice-cream为宾语，所以从句完整，不能用关系代词。所以要用关系副词，先行词是interval,表示“间隔”,是时间，所以用when.