______ the earth to be flat, people feared that Columbus would fall off the edge of the earth.
（A）Having believed
（B）To believe
（C）Believing
（D）Believed
参考答案
继续答题：下一题
更多大学英语单项选择题库试题
- 1It is proposed that this matter _______ at the next meeting.
- 2Home-made parts are being ________ for imported ones
- 3I confess it wasn’t until my _____ twenties that I found my true path in life.
- 4It was not tom’s ______that he was late for school, because he was delayed by a traffic accident.
- 5The second technique suggests that you just imagine ___________.
