词形变化
I went to visit my grandparents last weekend. I knocked on the door, but nobody (答复).
My mother tells me not to play on the road. It’s very (danger).
Betty is very (luck) to win a prize (奖品)like this.
We all like Li Ming very much because he listens to teacher (care)in class.
Your camera is not as expensive as (she),but it works well, too.