---Hi,jim.Who's that?---___?----The one behind the tree
there that girl behind the tree?
behind the tree
Jim is one of the boys ___ from England A who is B who are C
The airplane arrived one hour behind ___.
who's the boy( )under the tree
that, the, tree, who, boy, in, is,
that,the,tree,who,boy,in,is(?)
who says you're the only one that's hurting
There's a big tree behind the house
She's the only one who's studying Frence?为什么用who,而不用that?
One of the girls ___ under the tree last night.
It_JACK that parked the car liake that he s the only one who