The fish are swimming in the river.对in the river进行提问

The fish are swimming in the river.对in the river进行提问 the fish are swimming 画线in the river 画线提问 _____ fish are swimming in the river. They are (swimming in the river).对画线部分提问 The fish ____(is /are)swimming in the river. The fish are swimming (in the river) 就括号部分提问 some ( )are swimming in the river是fish还是fishes The fish is swimming in the river.（对划线部分提问） The boys are swimming in the river the children are swimming in the river对画线部分提问 They (swim;are swimming)in the river are,any,the,fish,river,in,there