—You look so young. Haven’t you graduated from your university?—Yes, I________in the English Department of Shandong University for four years.
Life in the 21st century is much better than_____ used to be.
I’ve _____ all my papers but I still can’t find the contract.
It ___ to me that she didn’t know I had moved into the new house.
It was three o’clock in the afternoon _____ a villager telephoned to tell me the surprising discovery of an ancient tomb.
I have been living in the town for nearly thirty years, but seldom _____as lonely as I do now.