some boys are s__ in the river
some boys are s__ in the river
The boys are swimming in the river
i can see some boys in the river
there are some ducks in the river
Some boy are s____ in the river.
Some are ( )in the river and some are ( )games.
Those are the boys.The boys swam in the river yesterday afte
there are some boys ----(swim) in the pool
there are some boys swimming in the pool
look,there are some boys ( have) fun in the ball
There are some boys in the classroom 改为否定句
改为否定句:There are some boats in the river.