按要求变词形.

题目

按要求变词形.
1.rich（反义词）________ 2.hit（过去式）_________
3.tooth（复数）___________ 4.made（原形）_________
5.slowly（反义词）__________ 6.build（过去式）________
7.teacher（所有格）_________ 8.they （宾格）_______
9.sharp（动词）_________ 10.easy（副词）________
急急急

答案

1 poor
2 hit
3 teeth
4 make
5 quickly
6 built
7 teacher's
8them
9 sharp
10 easily