a very hard-working student. —________. As far as I know, he often burns themidnight oil.

He gave away the company’s commercial secret to another competitor,which means_________. [ ]

I made your computer system break down. I willpay someone to repair it.— Oh. ______. I can solve it by myself.

Usually we get _____about something and end up _____in Chinese.

Harry Potter is so interesting a book thatlots of teenagers like to read _