有道语法题请帮忙点拨一下!
Sparrows, small birds of the finch family, have stout beaks adapted seed eating and
-------- -------- ------------------
A B C
are useful to farmers in destroying weed seeds.
--------------
D
答案是B 请问为什么?谢谢!
[em03]
欢迎光临 国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/)