It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.
It will be quite a long time _______ she is back again, so don’t be too cross with her.
-What does the sign over there say? -“No person _______ bring drinks into the student computer pool.”
Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours,but today every hour is rush hour.
You are saying that everyone is equal, _____ is _____ I disagree.
Had it been possible, I would have gone to attend Monica in the hospital, but Ifully occupied last month.