I．词形转换(5分)
1. vocabulary(复数)_________
2. learn(名词)______________
3.different(副词) __________
4.frustrate(形容词) __________
5.quick(副词) _____________
6. fair(反义词)_____________
7.solve(名词)______________________
8. important(反义词)_________________
9.agreement(反义词)________________
10.pronounce(名词)__________________
