问题
She ________ a model before she _______ a superstar.
A:have been, became
B:had been, become
C:had been became
D:has been, become
B:had been, become
C:had been became
D:has been, become
正确答案是：
同类题型
You know Cartoon World is on TV _________ 6:30 p.m. _________ 7:00 p.m. [ ]
These coats are different _______ size. [ ]
He lives on ________ floor in that building.
Uncle Li______ does sports, so he is very strong and healthy.
How do you learn English so well?—______ chatting with my uncle in America-online. [ ]