单项选择题
He went ahead（）all warnings about the danger of his mission.
A.in case of B.in place of C.in spite of D.regardless of
单项选择题 I have made（）mistakes in my writing so that I can ask my students to find and correct them.
单项选择题 When we have agreed broadly on what should be said, the secretary will produce a preliminary （）for the committee's approval.
单项选择题 Airport security was extra tight（）yesterday's bomb attacks.
