国家开放大学 / 综合英语（1）
正确率：100%
– Hey, you don’t look very good.
– _ _ _ _ _ _ .
a.Sorry I’m late.
b.I must be getting a cold.
c.It’s been raining.
– _ _ _ _ _ _ .
a.Sorry I’m late.
b.I must be getting a cold.
c.It’s been raining.
参考答案：