第一部分：单项选择（共一节，满分30分）
第一节：（共15小题，每小题2分，满分30分）
1. I wonder what difficulty they have had________her to leave.
A.to persuade B. persuading C.persuaded D.with persuading
2. Please wait for a moment. Our headmaster________ to see us.
A.was coming B.came C.is coming D.has come
