It _______ we had stayed together for a couple of weeks _______ I found we had a lot in common.
Books are the most important records we keep _________ man’s thoughts, ideas and feelings.
—You haven’t got the textbook for my chemistry yet.—I know, and we ________ to get it for the last five weeks.
—Can you come up with another good idea?—This is the best approach I can imagine __________ the work ahead of schedule.
The news spread quickly through the village _______ the war had ended, _______ made villagers wild with joy.
When solving the problem a second time, you’d better be more careful ________ you made a mistake.