In each item below, the sentence contains a highlighted conjunction expressing a time relationship, followed by a preposition in parentheses. In the blank box under each item, rewrite the sentence ...

Imagine that the national government controlled education down to fine details of what to teach and how to test it, and in your own subject the government required that modern research should be ...

You’ve probably heard the old story about the pedant who dared to tinker with Winston Churchill’s writing because the great man had ended a sentence with a preposition. Churchill’s scribbled response: ...