问题

Have you known DrJackson for a long time?—Yes, since she________ the Chinese Society

A:has joined
B:joins
C:had joined
D:joined

正确答案是：

同类题型

I got caught in the rain and my suit _______.

My friend is _____ at swimming and he can swim _____.

Your digital watch is quite nice. Where did you buy _____ I want to buy _____,too.

下列各句中，没有语病的一句是

__________ , he is not yet ready to turn professional.