题干
.
A big earthquake hit Yushu, Qinghai province in the early morning, and if a little later, many more people _______.
A big earthquake hit Yushu, Qinghai province in the early morning, and if a little later, many more people _______.
A：could survive
B：might have survived
C：must have survived
D：should survive
答案(点此获取答案解析）
B
正方形有
长方形有