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题目内容
（石家庄铁道大学-大学英语III）
Did you predict that many students ______ up for the dance competition
A、 would sign
B、 signed
C、 have signed
D、 had signed
D、 event
A、 would sign
B、 signed
C、 have signed
D、 had signed
D、 event
参考答案