A chicken -------------swim in the river
Don't swim in the river a( ) .It's dangerous
Mike is_____(游泳) in the river.a. swim b.swimming
Look!A girl is ___(swim)in the river.
They had a swim in the river.改为现在完成时
Let’s go for a swim in the river同义
The litter boy can swim (swim swims )in the river
Many boys___(swim)in the river now
Look!They___(swim)in the river
Many people_____(swim)in the river.
Let them not swim in the river
let's (swim) in the river
They (swim;are swimming)in the river