听录音填空
Don't run. Walk _________.
Don't hurt yourself.
Please ________ out. The cars are going very fast.
This paper is not ________ enough for the toy box.
填空
My brother falls down ________his bike.
选择单词完成句子
It's not safe to skate on __________(thick/thin) ice.
(Don't/ No) _______ parking here.
It's _______(danger/dangerous) to ride bikes in the street.
看图填空
You can _______ kites on this big playground.
选词填空
The monkeys hold each other _____ (at/ by)the tail.
Don't step _______ my feet.