There are _______ in the reading room, but many of those books aren’t _______ to read.
--- Why not join us in the game, Kitty? --- _________, but I have to do my homework first.
He is ________ to buy _________ for his parents.
Sandy sits between and .
He has to_________ 20 yuan on the book. But I needn’t _______ any money for it.
I think black goes well with .