你可能感兴趣的试题
pair of shoes pair of shoe pairs of shoe pairs of shoes
pair gloves pairs of gloves pairs of glove pair of gloves
two pairs of shoes two pair of shoe two pair of shoes two pairs shoes
a pair two pairs of two pair two pair of
pair of pairs of a pair of two pairs
both of them either of them any of which either of which
Two heads are better than one Birds of a feather flock together Bad fortunes never come singly. One boy a boy, two boys half boy, three boys no boy
inflection and compound compound and derivation inflection and derivation
two pair of shoes two pairs of shoe two pair of shoe two pairs of shoes
two pairs of shoes two pair of shoe two pair of shoes two pairs shoes
two pairs of shoes two pair of shoes two pairs of shoe two pair of shoe