Some Maths problems in this book are difficult for the students work out.[ ]

You’d better ____ football in the street.

Tom swims __________ than I, but he doesn’t swim_________ my brother.

Let me teach you how to download music from the Internet. — Teach me? ______! I know how to do it earlier!.

The students are looking forward to having an opportunity ________ society for real-life experience.