问题:
We first met in 1998. ________ we have been good friends.
A.After that
B.Since then
C.From now on
D.Up till then
We first met in 1998. ________ we have been good friends.
A.After that
B.Since then
C.From now on
D.Up till then
A.After that
B.Since then
C.From now on
D.Up till then
参考答案: