That kind of plant can be made ______ paper and paper can be made ______ wood
Alice, you look puzzled.Haven’t you understood it? —Yes.I _of another problem just now
When I came in her room, Mary was ________ in her book.[ ]
George always does his best, and that’s ______ I like about him.
ince the disaster of September 11,American economy has got into a jam. The underlined part probably means _____.