2019年mpa考试英语真题——动词的时态376

{01}— Have you known Dr. Jackson for a long time?
— Yes, since she _____ the Chinese Society.
A.has joined
B.joins
C.had joined
D.joined

解析：
本题选D。

{02}I failed in the final examination last term and only then _____ the importance of studies.
A.I realized
B.I had realized
C.had I realized
D.did I realize
解析：
本题选D。