国家开放大学 / 综合英语（2）
– I wonder what’s keeping John. He was supposed to be here an hour ago.
– .
a.Well, the bus might have been late.
b.Come on. Wouldn’t you like to go somewhere and do something?
c.I just got up late
– .
a.Well, the bus might have been late.
b.Come on. Wouldn’t you like to go somewhere and do something?
c.I just got up late
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