As usual, Lu Yao quickly browsed through the questions.

Then he quickly answered all the questions.

The comprehensive science test lasted two and a half hours. However, Lu Yao used only half the amount of time to finish the test and examine his answers.

But he still waited and didn't hand in the test papers until there was only half an hour left.

Even though there was only half an hour left before the exam ended, Lu Yao was still the first ...