—It’s a long time ________ I saw you last.
—Yes,and what a pity it is now that it will be a long time ________ we see each other again.
A.before;since | B.since;when |
C.since;before | D.when;before |
推荐套卷
—It’s a long time ________ I saw you last.
—Yes,and what a pity it is now that it will be a long time ________ we see each other again.
A.before;since | B.since;when |
C.since;before | D.when;before |