洪恩朗文3L看听学英语第二册 Lesson 95 Whoops!

Mother: Look at your muddy shoes, Sandy!
Don’t come into the kitchen!
Mother: Don’t tread on
my nice clean floor.
I’ve just polished it.
Sandy: I can take my shoes off, mum.
Mother: All right then.
Sandy: Whoops!
It it slippery.
Sue: What’s up, Sandy?
Sandy: Be careful, Sue.
Mum polished this floor
a few moments ago.
Sandy: It’s very dangerous.
Sue: Ouch!