单词变形
1.obvious a.-------______ad.
2.confusing a.-------______a.-------______v.
3.variety n.-------______pl.-------______a.
4.differ vi.-------______n.-------______a.-------______ad.
5.settler n.-------______v.-------______n.
6.steadily ad.-------______a.
7.announcement n.-------______v.
8.simplify v.-------______a.-------______ad.
9.combination n.-------______v.
10.reference n.-------______v.
11.rapidly ad.-------______a.
12.add v.-------______n.