单项选择题
We explored the possibility of expansion at the conference.（）
A．offered B．included C．accepted D．investigated
单项选择题 At that time, we did not fully grasp the significance of what had happened.（）
单项选择题 His shoes were shined to perfection.（）
单项选择题 Mr.Henley has accelerated his sale of shares over the past year.（）
