–What’s that noise?–Oh, I forgot to tell you. The new machine ______.
I hadn’t expected__________James to apologize but I had hoped.
If the Watergate Incident__________Nixon would not have resigned from the presidency.
The sun rises in the east and sets in the west,so it seems as if the sun__________round the earth.
If you hadn’t taken such a long time to get dressed,we’d __________there by now.
I apologize if I__________you,but I assure you it was unintentional(无意的).