单项选择题
Every teacher ought to（）kids to think about current issues.
A.incorporate B.reinforce C.challenge D.transform
单项选择题 The sale usually takes place outside the house, with the audience（）on benches, chairs or boxes.
单项选择题 Beijing has reiterated that（）will China use nuclear weapons first.
单项选择题 Everything（）if Albert hadn’t called the fire brigade.
