They aren't standing there.改为一般现在时.
They aren't standing there.改为一般现在时.
they aren't traveling around the world(改为一般现在时)
They aren,t there now
No, they aren't.改为单数形式
there are .反问句式 aren't they
There aren't apples.改为单数句子
they aren't there还是they not there
They must be there now,aren't they?这里为什么不是mustn't they而是aren
they aren't orange oranges.改为单数形式
They aren't starting work.(改为肯定句)
they aren't apple trees.改为单数句?
.They aren't young any longer.(改为同义句)