—Have you known Dr. Jackson for a long time?—Yes, since she _________ the Chinese Society.
#104589
A
has joined
B
joins
C
had joined
D
joined
推荐题目
---- Have you finished your report?--- Yes.I _____ it within 10 minutes.
#103651
A
finish
B
have finished
C
finished
D
will finish
My father used to  on weekends,but now he is used to   every evening.
#101723
A
go fishing; dance
B
going fishing;dance
C
going fishing;dancing
D
go fishing;dancing
–The food here is nice enough. --My friend ______ me a right place. 
#101282
A
introduces
B
introduced
C
had introduced
D
was introducing