some boys ______in the lake.应该填什么,是填are swimming还是 swimming
some boys ______in the lake.应该填什么,是填are swimming还是 swimming
Some children are playing in the swimming p________..填什么
We are enjoying_____ in the pool 填swim还是swimming
What's in the lake?Some boys (swimming)in the lake.请问括号里为什么不
some ( )are swimming in the river是fish还是fishes
there are some boys swimming in the pool
The boys are swimming in the river
The children are swimming( ) the river.(填介词)
there ___ little fish swimming in the river.填什么 is ,is some
Swimming in the pool with friends_____very interesting 填is还是
1.There are some boys swimming in the pool.改为否定句 2.Do you wa
she is swimming ____ the pool.填的是at 还是in 在池子里游泳应该用的是in怎么教科书上