John and I__friends for eight years. We first got to know each other at a Christmas   party. But we__ each other a couple of times before that.
#104423
A
had been; have met
B
have been; have met
C
had been; had met
D
have been; had met
推荐题目
By the time Jack returned home from England, his son __________from college. 
#101958
A
graduated
B
has graduated
C
had been graduating
D
had graduated
The teacher said that Columbus _______America in 1492.
#102954
A
discovered
B
found
C
had discovered
D
had found