60%
Complete the headmaster's exasperated lecture to the lazy wizard by selecting the correct option for each blank.
"It's about time you _________________________ taking your potion classes seriously!" yelled Professor Fizzle, wiping green slime off his robes. "It's time _________________________ up and realize that magic doesn't just happen by itself!"
The correct answers are started and to wake.
We use "It's (about/high) time" + past tense to complain that someone should have done something already: "It's about time you started..."
However, if we don't specify a subject (like "you" or "he") after "It's time", we simply use the infinitive with "to": "It's time to wake up..."