— Please stop smoking. Look at the sign. — Oh ,sorry. I see it.
——I’m sorry I______ my exercise book at home. ——Don’t forget ______it to school tomorrow, please.
The temperature can drop ________zero when winter comes.
This piano is too big. Can you make ________ for it?
I bet you’ll look cool and feel cool ________
Leaves fall _______piles ________the ground