A duck swim in the river A./ B.is C.can 选择哪个
A duck swim in the river A./ B.is C.can 选择哪个
The duck can ___.a.swimming b.swim c.swims 选择
Is this the river _____ I can swim?A.which B.in which C.that
定语从句:1.Is this the river ___ i can swim?A.which B.in which C
the river is dangerous.you ___ swim in it .A.can't B.mustn't
Fish usually( ) fast in the river.A swim B is swimming c is
Who ____ in the river.A.swim B.swimming C.is swimming
1.He often( )in the river.A.swim B.swims C.is swimming
A duck is swim in the water.哪儿错了?
There is a duck in the river[改为复数]
Mre Green told her son ( )in the river. 选择;A.swim B.don't sw
We had a good time ____ in the river.A.swim B.swimming C.swi