下列各组动物中,都用鳃呼吸的是( )
A:珍珠蚌、青蛙、鳖
B:鲸、蛇、青蛙
C:青蛙、青鱼、蝌蚪
D:河蚌、草鱼、蝌蚪
香港的经济主要是( )
- Junior high school days will be over _______ a week. How are you feeling?
- I'm trying to keep my cool because we've been together ________ three years.
正义是每个人可以有条件干自己想干的事情。