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. weren’t there
D. didn’t there
答案
C
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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. weren’t there
D. didn’t there
C