we are [ ] to have a good teacher.luck,lucky还是luckily?

问题描述:

we are [ ] to have a good teacher.luck,lucky还是luckily?
A luckily
B unlucky
C lucky
D luck

C.lucky
are 后面跟形容词
A luckily 是副词
B unlucky 是形容词,但意思是“不幸运”
D luck是名词