单项选择题
I have made（）mistakes in my writing so that I can ask my students to find and correct them.
A.false B.intensive C.deliberate D.accidental
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.
单项选择题 There was a 0.3 per cent rise in the cost-of-living （）
