1.ninety
2.singing
3.northeast
4.straightly
5.are swimming
6.yours
7.will arrive
8.will be
9.western
10.hers
11.bookshelves
12.over
13.done
14.doing
15.pieces
ninetieth
singing
north-east
along
are swimming
yours
will arrive
will be
western
hers
shelves
over
do不确定
doing
pieces
ninetieth,singing,northeast,along,are swimming,yours,is arriving,to be,western
hers,shelves,over,doing,pieces