---Do you mind opening the window?the air inside is not so fresh.--- __________, Mr. Smith is taking a nap (小睡),don’t make him catch a cold.
She makes her class ,and she always makes the students .
Who listens , Tom, Jack or Bill?
It's known that Suzhou is __________ in the world.
Diving is not as as skiing.
-Do you know what he __________ two years ago? -Yes, he was fat.