试题题干
Fill in the blanks with an item as required.
With a modal verb:
There’s no doubt that the world be a duller place without artificial food colouring, but might it also be a safer place?
参考答案
试题解析
modal verb为情态动词。本句意为毫无疑问,如果没有人工食用色素,这世界会很无聊,但是否也许会更安全呢?would表假设,表示事情和说话者的假设相反。