国家开放大学 / 综合英语（2）
正确率：100%
Xiao Wang is so wet, she _ _ _ _ _ _ into the lake.
a.can’t have fallen
b.must have fallen
c.can have fallen
d.had to fall
a.can’t have fallen
b.must have fallen
c.can have fallen
d.had to fall
参考答案：
佳题速递：