— Have you known Dr. Jackson for a long
题型:选择题
问题:
— 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
— 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