31. After he retired from office, Rogers _______ painting for a while, but soon lost interest.
First of all, please _____ me to introduce myself to you.
He didn’t catch the first train. That’s ____ he didn’t attend the meeting.
He is ____ to come here tomorrow if he can finish his work on time.
When she saw the ______ tiger, her face turned pale ______.
The concert last week was ____ that his concert is expected to run for the next two years.