将："These birds can't fly."改为单数肯定句．

The birds couidn't fly in the sky.（改为同义句）The birds---fly in All birds can't fly. All birds can't fly=Not all birds can fly.吗?All birds can't The birds can't fly without w_____ Birds can't fly without w____. 把these aren't their brothers改为单数句 These aren't their brothers. (改为单数句） fly,birds,can,they,can't怎么排序 The birds can ( )(fly). All birds can't fly.翻译成中文 Can birds fly?----- Yes,() can (Birds) can fly but (fish) can't A the birds,fish B the bird