——Don’t put the bike_______the teaching building.——Sorry, I won’t.
Look out! Can you see some boy students ____ basketball?
In nature reserve, it’s ____ to hunt_____ fish there.
Zhalong is an ideal home for wildlife. Many birds can find food____ there.
--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.