--- You didn’t lock the back door. --- You are wrong. I ______.
He ________ goes to the National Library of China, once a month at most.
It ________ we had stayed together for a couple of weeks ________ I found we had a lot in common.
Dick made a phone call to his wife, ________ was certain about where the car key was.
The president took immediate steps ________ the improvement of the poor’s living conditions.
—I ________ there is going to be a football match between Class 5 and our class this Friday afternoon. —Really? It must be very exciting.