—I like pears.
A:are
B:is
C:do
下图中有____个圆、____个长方形、____个正方形、____个三角形、____个平行四边形
鲫鱼的口和鳃盖后缘不停地相互交替张开和紧闭,其作用是( )
Mrs Read the cleaning every day.