【正文】
nails. (full / fall / for) 。 ( ) at this room. A. What a mess! B. What are they? ( ) find a ball. A. Who is this ball? B. Whose ball is it? ( ) is tidying up the living room. A. What a mess! B. The room is clean and tidy. ( ) :Thank you ! Bob: A. You39。re wele. ( )