问题
选择题
There must have been a large number of tourists in Sanya during the past Spring Festival, __________?
A．mustn’t there
B．haven’t there
C．wasn’t there
D．didn’t there
答案
答案：C
本题考查反义疑问句。there be句型的反意疑问句的主语永远用there。must的反义疑问句有时间状语，反义疑问部分用过去时态，故选C。