Many people_____(swim)in the river.
Many people_____(swim)in the river.
Many boys___(swim)in the river now
There are many boys_____(swim) in the river now.适当
______ many times,none of the boys dared swim in that river
The litter boy can swim (swim swims )in the river
Look!They___(swim)in the river
Let them not swim in the river
let's (swim) in the river
They (swim;are swimming)in the river
Are they---------(swim)in the river now?
Can you swim in the river
what about swim in the river?